diff --git a/.github/workflows/check-licenses.yml b/.github/workflows/check-licenses.yml
index ddb1c452a7b8db9308acc7f1dd00878d634aa842..88bd06c670797b54d8b645b2690787ad567fc136 100644
--- a/.github/workflows/check-licenses.yml
+++ b/.github/workflows/check-licenses.yml
@@ -39,7 +39,6 @@ jobs:
           shopt -s globstar
           npx @paritytech/license-scanner scan \
             --ensure-licenses ${{ env.LICENSES }} \
-            --exclude ./cumulus/parachain-template \
             -- ./cumulus/**/*.rs
 
       - name: Check the licenses in Substrate
@@ -48,3 +47,38 @@ jobs:
           npx @paritytech/license-scanner scan \
             --ensure-licenses ${{ env.LICENSES }} \
             -- ./substrate/**/*.rs
+
+  check-product-references:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    env:
+      NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@6d193bf28034eafb982f37bd894289fe649468fc # v4.1.7
+      - uses: actions/setup-node@v4.0.3
+        with:
+          node-version: "18.x"
+          registry-url: "https://npm.pkg.github.com"
+          scope: "@paritytech"
+
+      - name: Check the product references in Polkadot
+        run: |
+          shopt -s globstar
+          npx @paritytech/license-scanner scan \
+            --ensure-product 'Polkadot' \
+            -- ./polkadot/**/*.rs
+
+      - name: Check the product references in Cumulus
+        run: |
+          shopt -s globstar
+          npx @paritytech/license-scanner scan \
+            --ensure-product 'Cumulus' \
+            -- ./cumulus/**/*.rs
+
+      - name: Check the product references in Substrate
+        run: |
+          shopt -s globstar
+          npx @paritytech/license-scanner scan \
+            --ensure-product 'Substrate' \
+            -- ./substrate/**/*.rs
diff --git a/cumulus/client/collator/src/lib.rs b/cumulus/client/collator/src/lib.rs
index 47da0f6d96f2f41e527515aef021c53e54dea5d9..91ff913f263d572a747d966e8d3e3f0154db9f26 100644
--- a/cumulus/client/collator/src/lib.rs
+++ b/cumulus/client/collator/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/client/network/src/lib.rs b/cumulus/client/network/src/lib.rs
index dab15bba590a0f46720d45bdaddc92f594fb8a9f..01ad15bed4daec41ec6c66874739d4f0420bc84c 100644
--- a/cumulus/client/network/src/lib.rs
+++ b/cumulus/client/network/src/lib.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Parachain specific networking
 //!
diff --git a/cumulus/client/network/src/tests.rs b/cumulus/client/network/src/tests.rs
index 81c2d9f24f2813f580a4c96723ca5aac80813c60..1c8edd803ed84dc2e8b4466b8621d61a0966bd38 100644
--- a/cumulus/client/network/src/tests.rs
+++ b/cumulus/client/network/src/tests.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::*;
 use async_trait::async_trait;
diff --git a/cumulus/client/parachain-inherent/src/lib.rs b/cumulus/client/parachain-inherent/src/lib.rs
index 051eb6764c8ce97a8305a07bdddb8f06f61fe4bc..0bb436a876b4ff9f80f97a0c3bfbbdbfab8f2796 100644
--- a/cumulus/client/parachain-inherent/src/lib.rs
+++ b/cumulus/client/parachain-inherent/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/client/parachain-inherent/src/mock.rs b/cumulus/client/parachain-inherent/src/mock.rs
index dfe4a66c3dc19665d413fed47434d803d6ed63af..a3f881e6ef9dbd4ae4798975c2332f98ee44e207 100644
--- a/cumulus/client/parachain-inherent/src/mock.rs
+++ b/cumulus/client/parachain-inherent/src/mock.rs
@@ -6,7 +6,7 @@
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/client/pov-recovery/src/active_candidate_recovery.rs b/cumulus/client/pov-recovery/src/active_candidate_recovery.rs
index 50de98909ea471ea3de39a9edd85f4f9d71a8b3b..9badc69fe816becaa5d2df3bdbbc50fed68b6ddb 100644
--- a/cumulus/client/pov-recovery/src/active_candidate_recovery.rs
+++ b/cumulus/client/pov-recovery/src/active_candidate_recovery.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use sp_runtime::traits::Block as BlockT;
 
diff --git a/cumulus/client/pov-recovery/src/lib.rs b/cumulus/client/pov-recovery/src/lib.rs
index 6ace18155e871d40baa2662c8c13b605b5768bbe..043cba12d1937807ded90c755377f8c99b976433 100644
--- a/cumulus/client/pov-recovery/src/lib.rs
+++ b/cumulus/client/pov-recovery/src/lib.rs
@@ -6,7 +6,7 @@
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/client/pov-recovery/src/tests.rs b/cumulus/client/pov-recovery/src/tests.rs
index f300bdc5f2ba38fd4cbce653e9ff8e77257b7c7e..5935824e173ab407e3dd40a1d87930d30f3f2d22 100644
--- a/cumulus/client/pov-recovery/src/tests.rs
+++ b/cumulus/client/pov-recovery/src/tests.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::*;
 use assert_matches::assert_matches;
diff --git a/cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs b/cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs
index f01ef8b05ecba77cf6458fdfe80e966b3a67e6a3..5acc30537080cb872934de8058282dec65fd3202 100644
--- a/cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs
+++ b/cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use futures::{select, StreamExt};
 use std::sync::Arc;
diff --git a/cumulus/client/relay-chain-minimal-node/src/lib.rs b/cumulus/client/relay-chain-minimal-node/src/lib.rs
index e65a78f16d79bf0f76c18af771a72c29308a6c4d..cea7e6e4a0355d389398e20c54b5d4960d24078a 100644
--- a/cumulus/client/relay-chain-minimal-node/src/lib.rs
+++ b/cumulus/client/relay-chain-minimal-node/src/lib.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use collator_overseer::NewMinimalNode;
 
diff --git a/cumulus/client/service/src/lib.rs b/cumulus/client/service/src/lib.rs
index 7f656aabca7ac78a9bc4c35137ec56ed535fe362..dd14ca514b3f82ca9b846c42a6c771ae95e2cb71 100644
--- a/cumulus/client/service/src/lib.rs
+++ b/cumulus/client/service/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/collator-selection/src/migration.rs b/cumulus/pallets/collator-selection/src/migration.rs
index c52016948069a65c641fa014a390f1a6a85d3cb3..34f9142970820353bea352a21aab75f99b7827b9 100644
--- a/cumulus/pallets/collator-selection/src/migration.rs
+++ b/cumulus/pallets/collator-selection/src/migration.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! A module that is responsible for migration of storage for Collator Selection.
 
diff --git a/cumulus/pallets/collator-selection/src/weights.rs b/cumulus/pallets/collator-selection/src/weights.rs
index 12e6b755e9769cb4234bc15016c0a3b47650054f..0ac4a085754ab6384375767304ba9c87f418e439 100644
--- a/cumulus/pallets/collator-selection/src/weights.rs
+++ b/cumulus/pallets/collator-selection/src/weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/pallets/dmp-queue/src/migration.rs b/cumulus/pallets/dmp-queue/src/migration.rs
index b1945e8eb37b85e9c39cbafeba4b6d7ec15502c0..1b83fea710a3f344071c8c88e8561dee942fe578 100644
--- a/cumulus/pallets/dmp-queue/src/migration.rs
+++ b/cumulus/pallets/dmp-queue/src/migration.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Migrates the storage from the previously deleted DMP pallet.
 
diff --git a/cumulus/pallets/dmp-queue/src/mock.rs b/cumulus/pallets/dmp-queue/src/mock.rs
index ed72ce678e3efa416df78b95f18c0115c91e2e1f..a46a6ba6c8bae03cd078d807bb60b8f1e1812902 100644
--- a/cumulus/pallets/dmp-queue/src/mock.rs
+++ b/cumulus/pallets/dmp-queue/src/mock.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/pallets/dmp-queue/src/tests.rs b/cumulus/pallets/dmp-queue/src/tests.rs
index a157d0584f2550bb9cacac730a0e942e3c91503e..70d542ea2ed2abe9f09573205560dc96bf5c3011 100644
--- a/cumulus/pallets/dmp-queue/src/tests.rs
+++ b/cumulus/pallets/dmp-queue/src/tests.rs
@@ -1,12 +1,12 @@
 // Copyright Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/parachain-system/src/benchmarking.rs b/cumulus/pallets/parachain-system/src/benchmarking.rs
index 5cde8eb5b78857618d7e6a44f777fe7f19305929..8f97d12a48091ab1296d5adcd5d85eabc59027b9 100644
--- a/cumulus/pallets/parachain-system/src/benchmarking.rs
+++ b/cumulus/pallets/parachain-system/src/benchmarking.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/pallets/parachain-system/src/validate_block/implementation.rs b/cumulus/pallets/parachain-system/src/validate_block/implementation.rs
index 42311ca9d8340d038df126175df096777cf989a9..c4c8440e5187dde760b686aae877403cdd00d579 100644
--- a/cumulus/pallets/parachain-system/src/validate_block/implementation.rs
+++ b/cumulus/pallets/parachain-system/src/validate_block/implementation.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/parachain-system/src/validate_block/mod.rs b/cumulus/pallets/parachain-system/src/validate_block/mod.rs
index 3a00d4d352a69830ff225221d2fb63450c96b9e9..2d210f4bac2ba85bceab2867ce03676c14ec3c17 100644
--- a/cumulus/pallets/parachain-system/src/validate_block/mod.rs
+++ b/cumulus/pallets/parachain-system/src/validate_block/mod.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/parachain-system/src/validate_block/tests.rs b/cumulus/pallets/parachain-system/src/validate_block/tests.rs
index a44d17507810099004113ce3ca30739c8ee3ddce..871ce5c1710e8dd6888e58cf075d972b006d2a64 100644
--- a/cumulus/pallets/parachain-system/src/validate_block/tests.rs
+++ b/cumulus/pallets/parachain-system/src/validate_block/tests.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/parachain-system/src/validate_block/trie_cache.rs b/cumulus/pallets/parachain-system/src/validate_block/trie_cache.rs
index 5999b3ce87f9d285412ea8bccdf1258ae1f66733..035541fb17b1e8fdac208c06ec337294db33b19e 100644
--- a/cumulus/pallets/parachain-system/src/validate_block/trie_cache.rs
+++ b/cumulus/pallets/parachain-system/src/validate_block/trie_cache.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/pallets/parachain-system/src/validate_block/trie_recorder.rs b/cumulus/pallets/parachain-system/src/validate_block/trie_recorder.rs
index 19801340719526ac6775a9a92fc0b3d879f84afb..4a478d047f1bb1142f324c1a9adb9c729d808e7d 100644
--- a/cumulus/pallets/parachain-system/src/validate_block/trie_recorder.rs
+++ b/cumulus/pallets/parachain-system/src/validate_block/trie_recorder.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/session-benchmarking/src/lib.rs b/cumulus/pallets/session-benchmarking/src/lib.rs
index f5bfef006169035797d17957beb574200fd153ab..7d3a9ff70e7e57c23928c925bb975c43b96651c9 100644
--- a/cumulus/pallets/session-benchmarking/src/lib.rs
+++ b/cumulus/pallets/session-benchmarking/src/lib.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/pallets/xcmp-queue/src/lib.rs b/cumulus/pallets/xcmp-queue/src/lib.rs
index 732ee94f3e10efea146060554b2ed7468e52f6fa..6bb7395f6553b2984ee2e36590dc42f6eb88785f 100644
--- a/cumulus/pallets/xcmp-queue/src/lib.rs
+++ b/cumulus/pallets/xcmp-queue/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/pallets/xcmp-queue/src/migration.rs b/cumulus/pallets/xcmp-queue/src/migration.rs
index d0657aaea9fd0d1daab6003b9721434c8ea769e1..6e41c9d9a8789a742a1abc78d0364bed7916ed92 100644
--- a/cumulus/pallets/xcmp-queue/src/migration.rs
+++ b/cumulus/pallets/xcmp-queue/src/migration.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! A module that is responsible for migration of storage.
 
diff --git a/cumulus/pallets/xcmp-queue/src/migration/v5.rs b/cumulus/pallets/xcmp-queue/src/migration/v5.rs
index 818365f36f605ea3ddceceeb8654cf11ca690e44..0bf3303bd7d00c7518aa66164071a146d2548f1b 100644
--- a/cumulus/pallets/xcmp-queue/src/migration/v5.rs
+++ b/cumulus/pallets/xcmp-queue/src/migration/v5.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Migrates the storage to version 5.
 
diff --git a/cumulus/parachains/common/src/message_queue.rs b/cumulus/parachains/common/src/message_queue.rs
index 511d6243cb8c47a0e137f9eec03bbb1afdf5e644..d6f2118e454fab1c584eefe9db3606480f067474 100644
--- a/cumulus/parachains/common/src/message_queue.rs
+++ b/cumulus/parachains/common/src/message_queue.rs
@@ -1,18 +1,18 @@
 // Copyright 2020 Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Helpers to deal with configuring the message queue in the runtime.
 
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/block_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/block_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/block_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/mod.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/mod.rs
index 942f243141da9c1dcfa47d2e3a1ac7906eb22706..517b3eb69fc8020f0b22b182227eb3a8528d4152 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/block_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/mod.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/mod.rs
index 9b7f7188782faedc0af4186511fd3ab5e1b02685..d60529f9a23727d1e80d6a6885a301f7e7082c9a 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/block_weights.rs b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/block_weights.rs b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/mod.rs b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/mod.rs
index b473d49e20e67329d893e1e565330cbe9290c64f..850dae6fbd06ea95d3c7c87c09325aacb123c0c4 100644
--- a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/contracts/contracts-rococo/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/block_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/block_weights.rs
index b2092d875c8328210667da4cbb95de0642e60ae3..3ff2b3550fbf8511ea0c8ba3dee563b1ebb11b32 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/extrinsic_weights.rs
index 332c3b324bb9c1b386257bf7953d37aba8f5af13..ab951aea5615046de82c8ede1a917e005f0fa5c3 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/mod.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/mod.rs
index ab3d6704c937377d59c5041bb29095bc50ba38c8..216f41a5a666fd0e3f1d9c2b2e05866a1196402a 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/paritydb_weights.rs
index 4338d928d807a41cc60ec91d86e91c81bb253631..db09e9de7bdf4ab08bfcd7f18b39b3cb1dac09da 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/rocksdb_weights.rs
index 1d115d963facb39fe29d6258918fda3bc8d94900..855ec356bca93bd7be138d826adddedad26383d7 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/block_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/block_weights.rs
index 2bd7975bf98c36996520716c9dc11822d8287234..e5c41941a1cdbf391b2c9f4859c74a092af0e361 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/extrinsic_weights.rs
index 898d72ec5b19519a77ec0b75bb65d757213b35d4..b72015884393acb36f6cce6695323463b21b7504 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/mod.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/mod.rs
index ab3d6704c937377d59c5041bb29095bc50ba38c8..216f41a5a666fd0e3f1d9c2b2e05866a1196402a 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/paritydb_weights.rs
index 1c6d2ebe568cc81e91167ec723102eebde49259c..d056c8c46a6c89fc77478d7462f172f87ab1247d 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/rocksdb_weights.rs
index aa0cb2b4bc377bae5bce9b18cbb78820c91f344d..a32b65565a1519bf4ecedd150e65f4b3fac6ffa1 100644
--- a/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-rococo/src/weights/block_weights.rs b/cumulus/parachains/runtimes/people/people-rococo/src/weights/block_weights.rs
index b2092d875c8328210667da4cbb95de0642e60ae3..3ff2b3550fbf8511ea0c8ba3dee563b1ebb11b32 100644
--- a/cumulus/parachains/runtimes/people/people-rococo/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-rococo/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-rococo/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/people/people-rococo/src/weights/extrinsic_weights.rs
index 332c3b324bb9c1b386257bf7953d37aba8f5af13..ab951aea5615046de82c8ede1a917e005f0fa5c3 100644
--- a/cumulus/parachains/runtimes/people/people-rococo/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-rococo/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-rococo/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/people/people-rococo/src/weights/paritydb_weights.rs
index 4338d928d807a41cc60ec91d86e91c81bb253631..db09e9de7bdf4ab08bfcd7f18b39b3cb1dac09da 100644
--- a/cumulus/parachains/runtimes/people/people-rococo/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-rococo/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-rococo/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/people/people-rococo/src/weights/rocksdb_weights.rs
index 1d115d963facb39fe29d6258918fda3bc8d94900..855ec356bca93bd7be138d826adddedad26383d7 100644
--- a/cumulus/parachains/runtimes/people/people-rococo/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-rococo/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2022 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-westend/src/weights/block_weights.rs b/cumulus/parachains/runtimes/people/people-westend/src/weights/block_weights.rs
index 2bd7975bf98c36996520716c9dc11822d8287234..e5c41941a1cdbf391b2c9f4859c74a092af0e361 100644
--- a/cumulus/parachains/runtimes/people/people-westend/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-westend/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/people/people-westend/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/people/people-westend/src/weights/extrinsic_weights.rs
index 898d72ec5b19519a77ec0b75bb65d757213b35d4..b72015884393acb36f6cce6695323463b21b7504 100644
--- a/cumulus/parachains/runtimes/people/people-westend/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/people/people-westend/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/starters/shell/build.rs b/cumulus/parachains/runtimes/starters/shell/build.rs
index 9c9cde9a25a1a8ab1780b7df7e068264459a31af..896fc0fecf1c6ffa38a78d1036728fccb2ce060e 100644
--- a/cumulus/parachains/runtimes/starters/shell/build.rs
+++ b/cumulus/parachains/runtimes/starters/shell/build.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/parachains/runtimes/testing/penpal/build.rs b/cumulus/parachains/runtimes/testing/penpal/build.rs
index c2fa89aa7028510ab3f95a152ababcffbecd280f..e47e483bf9c11300b2a8cb3399fbb0a464882429 100644
--- a/cumulus/parachains/runtimes/testing/penpal/build.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/build.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/parachains/runtimes/testing/penpal/src/weights/block_weights.rs b/cumulus/parachains/runtimes/testing/penpal/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..41e30725e753fef32404b858a873e2456618d56f 100644
--- a/cumulus/parachains/runtimes/testing/penpal/src/weights/block_weights.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/testing/penpal/src/weights/extrinsic_weights.rs b/cumulus/parachains/runtimes/testing/penpal/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..3bd48f061bba079a76aa8f032ebecd6d40c2156c 100644
--- a/cumulus/parachains/runtimes/testing/penpal/src/weights/extrinsic_weights.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/testing/penpal/src/weights/mod.rs b/cumulus/parachains/runtimes/testing/penpal/src/weights/mod.rs
index b473d49e20e67329d893e1e565330cbe9290c64f..850dae6fbd06ea95d3c7c87c09325aacb123c0c4 100644
--- a/cumulus/parachains/runtimes/testing/penpal/src/weights/mod.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/testing/penpal/src/weights/paritydb_weights.rs b/cumulus/parachains/runtimes/testing/penpal/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..e0b1985c659c78b66176423f6bcc64d546b39324 100644
--- a/cumulus/parachains/runtimes/testing/penpal/src/weights/paritydb_weights.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/parachains/runtimes/testing/penpal/src/weights/rocksdb_weights.rs b/cumulus/parachains/runtimes/testing/penpal/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..c6e91b2fcffbf65e3fdce2bc8fbac19a605d00aa 100644
--- a/cumulus/parachains/runtimes/testing/penpal/src/weights/rocksdb_weights.rs
+++ b/cumulus/parachains/runtimes/testing/penpal/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/cumulus/polkadot-parachain/build.rs b/cumulus/polkadot-parachain/build.rs
index dd0d112bca7018bac1ca250d9efc3a3972b6ca41..8c498735eae965dfd3686c9031843c2c6d13f992 100644
--- a/cumulus/polkadot-parachain/build.rs
+++ b/cumulus/polkadot-parachain/build.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/benchmark_storage_works.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/benchmark_storage_works.rs
index c554b5b3d6be5602d84aa33c5d89020af26be74b..8502188af511256ee3c66126f98f6f8c9b6a7a13 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/benchmark_storage_works.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/benchmark_storage_works.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/common.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/common.rs
index 20926ddd91db53de52d32fb952ded38f8f868b97..d3f41fb50bc6f095b245154d310f98261c2d61e8 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/common.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/common.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_argument_parsing.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_argument_parsing.rs
index 9337da85d74b16f594aa7baacf3e76a35b1bb976..d1f497c1187a7cc6da300226c8d67b60312e8794 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_argument_parsing.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_argument_parsing.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_mdns_issue.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_mdns_issue.rs
index e3ccb7fe0fbdc2a7de5e04553985657b8b87733d..3b0b08e57f839073f9fd6a0f64cf57c6a3b989a0 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_mdns_issue.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/polkadot_mdns_issue.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/purge_chain_works.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/purge_chain_works.rs
index 6415a914c7a3c8e1f381a08c29eef9cb3c1ebe55..65a946e890bd8e32cdc7e497ee729281fcd2655a 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/purge_chain_works.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/purge_chain_works.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/running_the_node_and_interrupt.rs b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/running_the_node_and_interrupt.rs
index 0f4ae6992382c7a8a58da25ac110b97b6db72f62..a45fd7f4575a056aa135e81475ac7cabc6eaae18 100644
--- a/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/running_the_node_and_interrupt.rs
+++ b/cumulus/polkadot-parachain/polkadot-parachain-lib/src/tests/running_the_node_and_interrupt.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/aura/src/lib.rs b/cumulus/primitives/aura/src/lib.rs
index 826b65fddd2c695f0c0a1c63d77e9eab68fe0f30..aeeee5f8bafa16e02577f164dfe69e106c49c702 100644
--- a/cumulus/primitives/aura/src/lib.rs
+++ b/cumulus/primitives/aura/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/core/src/lib.rs b/cumulus/primitives/core/src/lib.rs
index 6eafecfc3ff574689b5dd3125b97c0e5bade844a..60b86af8e9422e1bd0c9b74a237406fb2ef93982 100644
--- a/cumulus/primitives/core/src/lib.rs
+++ b/cumulus/primitives/core/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/parachain-inherent/src/lib.rs b/cumulus/primitives/parachain-inherent/src/lib.rs
index ad4b39b547c5f24f123e8abfd5a352dd1008adae..127a03b6525916069421a8bb18dd6569fd41aecd 100644
--- a/cumulus/primitives/parachain-inherent/src/lib.rs
+++ b/cumulus/primitives/parachain-inherent/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/proof-size-hostfunction/src/lib.rs b/cumulus/primitives/proof-size-hostfunction/src/lib.rs
index 8ebc58ea450d4aea023f2a3af218bbd9eb3546e9..f17b3d3f33b473b70347d5f7667b142a8df97b66 100644
--- a/cumulus/primitives/proof-size-hostfunction/src/lib.rs
+++ b/cumulus/primitives/proof-size-hostfunction/src/lib.rs
@@ -6,7 +6,7 @@
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/utility/src/lib.rs b/cumulus/primitives/utility/src/lib.rs
index e568c79bb6a0185133ce60bde52641a9856622b9..6bd14d136a62cd4f5cfcd237eb3d1efbbd78206f 100644
--- a/cumulus/primitives/utility/src/lib.rs
+++ b/cumulus/primitives/utility/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/utility/src/tests/mod.rs b/cumulus/primitives/utility/src/tests/mod.rs
index e0ad8718b89ed38f686f3c854adf9cd185aeb272..80e72ef2826364fdcd29ffb408f75c69d14c8ddb 100644
--- a/cumulus/primitives/utility/src/tests/mod.rs
+++ b/cumulus/primitives/utility/src/tests/mod.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/primitives/utility/src/tests/swap_first.rs b/cumulus/primitives/utility/src/tests/swap_first.rs
index 2e19db498816bc02c65f278a7f874bc9671051e0..69239c552b8ca28be368f6ee3369bd29faf029c6 100644
--- a/cumulus/primitives/utility/src/tests/swap_first.rs
+++ b/cumulus/primitives/utility/src/tests/swap_first.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/test/runtime/build.rs b/cumulus/test/runtime/build.rs
index bf579f4121e5f6b48fa5ba310c76f7cdd02fa7a0..7a7fe8ffaa82e6fe2ab861dddaea12c44442fd06 100644
--- a/cumulus/test/runtime/build.rs
+++ b/cumulus/test/runtime/build.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Cumulus.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/cumulus/xcm/xcm-emulator/src/lib.rs b/cumulus/xcm/xcm-emulator/src/lib.rs
index afed14278d17560411fc13bb7c9c325890487a1d..76bbad38d5e61c94513cb6c5a2c37365da6fb4a9 100644
--- a/cumulus/xcm/xcm-emulator/src/lib.rs
+++ b/cumulus/xcm/xcm-emulator/src/lib.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Cumulus.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Cumulus is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Cumulus is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 extern crate alloc;
 
diff --git a/polkadot/node/metrics/src/tests.rs b/polkadot/node/metrics/src/tests.rs
index e720924feb60c6d4ef3828d52312f96521a6f989..4760138058eb7180232ddb81ded487e5d7713420 100644
--- a/polkadot/node/metrics/src/tests.rs
+++ b/polkadot/node/metrics/src/tests.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Polkadot runtime metrics integration test.
 
diff --git a/polkadot/runtime/common/src/claims.rs b/polkadot/runtime/common/src/claims.rs
index 162bf01c38432f95ba25216478205c4046448c98..32686d1a0bfa46720db1aa14088b7e14f68624bb 100644
--- a/polkadot/runtime/common/src/claims.rs
+++ b/polkadot/runtime/common/src/claims.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Pallet to process claims from Ethereum addresses.
 
diff --git a/polkadot/runtime/common/src/purchase.rs b/polkadot/runtime/common/src/purchase.rs
index d650548b8ac39a4059a7a9721e5926ae5ab528a9..9cbb907536d94769afbc5825ead2942c71c811ca 100644
--- a/polkadot/runtime/common/src/purchase.rs
+++ b/polkadot/runtime/common/src/purchase.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Pallet to process purchase of DOTs.
 
diff --git a/polkadot/runtime/rococo/build.rs b/polkadot/runtime/rococo/build.rs
index 7aae84cd5e0fedcb29265f98d40bcd9ccd83ae43..aab666b0f11c15e9bdb4124767220126abf6e680 100644
--- a/polkadot/runtime/rococo/build.rs
+++ b/polkadot/runtime/rococo/build.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 #[cfg(all(not(feature = "metadata-hash"), feature = "std"))]
 fn main() {
diff --git a/polkadot/runtime/rococo/constants/src/weights/mod.rs b/polkadot/runtime/rococo/constants/src/weights/mod.rs
index 23812ce7ed0528c394f84042fb9842eb617a834b..2648608a2f8af79f3830dee845f3079315eb001f 100644
--- a/polkadot/runtime/rococo/constants/src/weights/mod.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..67d5286022ee0f19bc86f7fea2ac997c31f87cfa 100644
--- a/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..57f49e1202c16b7afd578fecc0ad63697a32e983 100644
--- a/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
index e7fdb2aae2a01ec06076de83d94817e540e205dd..07316759104f3998ce3c36e0adff9aece0261407 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
index 1a4adb968bb7195428ea00d59cd92dcd3b6eea5f..d0af4ec8921d90cbdcd09172c2497210caf2e7bd 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/mod.rs b/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
index 30fa2c4060689ff98cc427c84f81866172845e52..d9087d7f057ed788d7b7d835d14e46955730e727 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..67d5286022ee0f19bc86f7fea2ac997c31f87cfa 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..57f49e1202c16b7afd578fecc0ad63697a32e983 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/westend/build.rs b/polkadot/runtime/westend/build.rs
index 55ccd36401293342d2dff4ccca14b674f6b1aeec..cf4097a2da6c109a5279bb3b53a1d555d515558b 100644
--- a/polkadot/runtime/westend/build.rs
+++ b/polkadot/runtime/westend/build.rs
@@ -6,7 +6,7 @@
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/runtime/westend/constants/src/weights/mod.rs b/polkadot/runtime/westend/constants/src/weights/mod.rs
index 23812ce7ed0528c394f84042fb9842eb617a834b..2648608a2f8af79f3830dee845f3079315eb001f 100644
--- a/polkadot/runtime/westend/constants/src/weights/mod.rs
+++ b/polkadot/runtime/westend/constants/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
index 25679703831a13b8d1bb7fb7dd4d92fa84b1f255..67d5286022ee0f19bc86f7fea2ac997c31f87cfa 100644
--- a/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
index 3dd817aa6f137085b0e5fdf2b11b7f50e5c8b002..57f49e1202c16b7afd578fecc0ad63697a32e983 100644
--- a/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
@@ -1,4 +1,4 @@
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
 // Copyright (C) Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
diff --git a/polkadot/tests/common.rs b/polkadot/tests/common.rs
index dbee2d3650347e228db0b3663a696f67f5a2240a..c13bb8cd14329c0d1a5b2a2564c992b059bf205a 100644
--- a/polkadot/tests/common.rs
+++ b/polkadot/tests/common.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use polkadot_core_primitives::{Block, Hash, Header};
 use std::{
diff --git a/polkadot/tests/invalid_order_arguments.rs b/polkadot/tests/invalid_order_arguments.rs
index 8b5f4e31c17a7fcf5429bfb0131f81390c7e0834..f9213bbdc30805129795b92430297fe5bf5e3ace 100644
--- a/polkadot/tests/invalid_order_arguments.rs
+++ b/polkadot/tests/invalid_order_arguments.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use assert_cmd::cargo::cargo_bin;
 use std::process::Command;
diff --git a/polkadot/tests/purge_chain_works.rs b/polkadot/tests/purge_chain_works.rs
index f5a73e232e0cb22ee18c7a6100e21f44d208d78f..bc36097b8d21a1e5c7c0992bb33f37404871246f 100644
--- a/polkadot/tests/purge_chain_works.rs
+++ b/polkadot/tests/purge_chain_works.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 #![cfg(unix)]
 
diff --git a/polkadot/tests/running_the_node_and_interrupt.rs b/polkadot/tests/running_the_node_and_interrupt.rs
index 85c073d3023a8e28417a2f0eb5047e2f04100820..053acc9667964e77796d254311a9e202a651ff52 100644
--- a/polkadot/tests/running_the_node_and_interrupt.rs
+++ b/polkadot/tests/running_the_node_and_interrupt.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use assert_cmd::cargo::cargo_bin;
 use std::process::{self, Command};
diff --git a/polkadot/xcm/src/lib.rs b/polkadot/xcm/src/lib.rs
index 1f5191c23407d7b88c52f872025583e4f701674d..0b916c87f549c6cfc8bbc50a43d0e6e488142e4a 100644
--- a/polkadot/xcm/src/lib.rs
+++ b/polkadot/xcm/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v2/mod.rs b/polkadot/xcm/src/v2/mod.rs
index 1afc120f500c65253e462762e2e69e6e3338210a..e3358f08d4101ecf1f98a4e69d324a4991d60e80 100644
--- a/polkadot/xcm/src/v2/mod.rs
+++ b/polkadot/xcm/src/v2/mod.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Cumulus.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! # XCM Version 2
 //!
diff --git a/polkadot/xcm/src/v2/multiasset.rs b/polkadot/xcm/src/v2/multiasset.rs
index 7090ef138ca2d3ef71ec9743722b85d9459bd3dc..218f21b63b0a9bc40a64146c1d0515e13a99f88f 100644
--- a/polkadot/xcm/src/v2/multiasset.rs
+++ b/polkadot/xcm/src/v2/multiasset.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v2/traits.rs b/polkadot/xcm/src/v2/traits.rs
index 4dcb4c50c68cd7d727588988d32b0f514a15dfb5..815495b812710adfe3197d7c929f8a1a9e8161d5 100644
--- a/polkadot/xcm/src/v2/traits.rs
+++ b/polkadot/xcm/src/v2/traits.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Cumulus.
+// This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Cross-Consensus Message format data structures.
 
diff --git a/polkadot/xcm/src/v3/mod.rs b/polkadot/xcm/src/v3/mod.rs
index 880520cfedc2a82d94d01d936cfc7a00b77ade14..ff64c98e15b3fa3a99af3ca6f426ed2641da5c6d 100644
--- a/polkadot/xcm/src/v3/mod.rs
+++ b/polkadot/xcm/src/v3/mod.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v3/multiasset.rs b/polkadot/xcm/src/v3/multiasset.rs
index 7db0fa7369028f94fe080437299835c7537f0f56..56b46b1d921e7673abddf2b4af73c8ffa6a6a357 100644
--- a/polkadot/xcm/src/v3/multiasset.rs
+++ b/polkadot/xcm/src/v3/multiasset.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v3/traits.rs b/polkadot/xcm/src/v3/traits.rs
index 7fa8824c3568ac0a16571c826648af013da48b26..34c46453b9a8c0928722bc2abccb97a301a536f2 100644
--- a/polkadot/xcm/src/v3/traits.rs
+++ b/polkadot/xcm/src/v3/traits.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v4/asset.rs b/polkadot/xcm/src/v4/asset.rs
index a081b595adb1b77085dc232034ccc7f961922d1a..41f1f82f828cfc822ee721d63623625773c611df 100644
--- a/polkadot/xcm/src/v4/asset.rs
+++ b/polkadot/xcm/src/v4/asset.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v4/mod.rs b/polkadot/xcm/src/v4/mod.rs
index 2a279f989e9b23084925c1484f7f366c08325080..a2b12dcc54cee3882f4dc7b28182b1da8d8163f1 100644
--- a/polkadot/xcm/src/v4/mod.rs
+++ b/polkadot/xcm/src/v4/mod.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/src/v4/traits.rs b/polkadot/xcm/src/v4/traits.rs
index 351de92c80edd169cfa1498a76597ef0b976e6ef..f32b26fb163d357b5f2f025dd43abd3887685b2a 100644
--- a/polkadot/xcm/src/v4/traits.rs
+++ b/polkadot/xcm/src/v4/traits.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-builder/src/matcher.rs b/polkadot/xcm/xcm-builder/src/matcher.rs
index eae43b290fb2c6d569f6fe0db3506e92e021e3e1..ab515f180527da4a3ff0d4c68bf9ab4a337ac33f 100644
--- a/polkadot/xcm/xcm-builder/src/matcher.rs
+++ b/polkadot/xcm/xcm-builder/src/matcher.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/src/conversions.rs b/polkadot/xcm/xcm-runtime-apis/src/conversions.rs
index e5eeac013fee6e8b7222429dfd0ed93afa9384c9..22f0809ea5f926929bad7183f341727391522b52 100644
--- a/polkadot/xcm/xcm-runtime-apis/src/conversions.rs
+++ b/polkadot/xcm/xcm-runtime-apis/src/conversions.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/src/dry_run.rs b/polkadot/xcm/xcm-runtime-apis/src/dry_run.rs
index 2a1a0daf0d5d5d0bae868e973df56f7e35b41592..c51a4a5376a32ba2253f253096b6c450676616ac 100644
--- a/polkadot/xcm/xcm-runtime-apis/src/dry_run.rs
+++ b/polkadot/xcm/xcm-runtime-apis/src/dry_run.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/src/fees.rs b/polkadot/xcm/xcm-runtime-apis/src/fees.rs
index 3445d42ecab3bda1a212e60f2be5583a31e04b58..9500a7f7281f42e0c1648a38100300dc3b2e35f4 100644
--- a/polkadot/xcm/xcm-runtime-apis/src/fees.rs
+++ b/polkadot/xcm/xcm-runtime-apis/src/fees.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/src/lib.rs b/polkadot/xcm/xcm-runtime-apis/src/lib.rs
index b106836c1132b253acdc01e8b9fd63a7c4ff828b..44e518e8e7ab0919f12c5a73eff3e4a6b38afdc4 100644
--- a/polkadot/xcm/xcm-runtime-apis/src/lib.rs
+++ b/polkadot/xcm/xcm-runtime-apis/src/lib.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/tests/conversions.rs b/polkadot/xcm/xcm-runtime-apis/tests/conversions.rs
index 7f0f0923b092116e0ad10f4b287dda8c93f5357f..c7a1dda0169c875bada9138516d334bb4833c56c 100644
--- a/polkadot/xcm/xcm-runtime-apis/tests/conversions.rs
+++ b/polkadot/xcm/xcm-runtime-apis/tests/conversions.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/tests/fee_estimation.rs b/polkadot/xcm/xcm-runtime-apis/tests/fee_estimation.rs
index e5dac7c7a04edaed341274d79690b09e7c987b42..889a50a2bab9045a464f72387f7697edc830e291 100644
--- a/polkadot/xcm/xcm-runtime-apis/tests/fee_estimation.rs
+++ b/polkadot/xcm/xcm-runtime-apis/tests/fee_estimation.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/polkadot/xcm/xcm-runtime-apis/tests/mock.rs b/polkadot/xcm/xcm-runtime-apis/tests/mock.rs
index c76b26fcd2a337545450da4d77cb0103c3e8eb8c..6575feccf8a3a77e1e64e01531be67eca81842fe 100644
--- a/polkadot/xcm/xcm-runtime-apis/tests/mock.rs
+++ b/polkadot/xcm/xcm-runtime-apis/tests/mock.rs
@@ -1,12 +1,12 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
diff --git a/substrate/frame/bags-list/remote-tests/src/migration.rs b/substrate/frame/bags-list/remote-tests/src/migration.rs
index dc133745afe073e33d466503307e86f834cc7382..03475b2358504df8b5de2827496feff6a6758cdc 100644
--- a/substrate/frame/bags-list/remote-tests/src/migration.rs
+++ b/substrate/frame/bags-list/remote-tests/src/migration.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Test to check the migration of the voter bag.
 
diff --git a/substrate/frame/bags-list/remote-tests/src/snapshot.rs b/substrate/frame/bags-list/remote-tests/src/snapshot.rs
index 81a8905e6b4b2c6e2f89f00c84cbc421bf3ae92b..cb23fc6f5817d2c9029a8d29032a0a507f6026a9 100644
--- a/substrate/frame/bags-list/remote-tests/src/snapshot.rs
+++ b/substrate/frame/bags-list/remote-tests/src/snapshot.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Test to execute the snapshot using the voter bag.
 
diff --git a/substrate/frame/bags-list/remote-tests/src/try_state.rs b/substrate/frame/bags-list/remote-tests/src/try_state.rs
index 83930024c89a51be8126caea07647784b8c1f66d..d4ce0d4f736ca8804f05fdabe4bd48b914447eed 100644
--- a/substrate/frame/bags-list/remote-tests/src/try_state.rs
+++ b/substrate/frame/bags-list/remote-tests/src/try_state.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Test to execute the sanity-check of the voter bag.
 
diff --git a/substrate/frame/balances/src/migration.rs b/substrate/frame/balances/src/migration.rs
index 568c3fbb7cf0926f9f23b2bdd23d840fa85bad5c..920c6eea56241c0a984677530eb292546571603a 100644
--- a/substrate/frame/balances/src/migration.rs
+++ b/substrate/frame/balances/src/migration.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::*;
 use frame_support::{
diff --git a/substrate/frame/contracts/mock-network/src/lib.rs b/substrate/frame/contracts/mock-network/src/lib.rs
index 34cc95f2eae0e8138a3bb988e0351f1002a04bee..cb9e22439b76d824d6bed684ae01de37ebc26120 100644
--- a/substrate/frame/contracts/mock-network/src/lib.rs
+++ b/substrate/frame/contracts/mock-network/src/lib.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub mod mocks;
 pub mod parachain;
diff --git a/substrate/frame/contracts/mock-network/src/mocks.rs b/substrate/frame/contracts/mock-network/src/mocks.rs
index bf3baec7a524abc0a9c5eee8e637b4b9a9cf3e04..6903f01e91a2b5543235fdeddb74f46634855c6b 100644
--- a/substrate/frame/contracts/mock-network/src/mocks.rs
+++ b/substrate/frame/contracts/mock-network/src/mocks.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub mod msg_queue;
 pub mod relay_message_queue;
diff --git a/substrate/frame/contracts/mock-network/src/mocks/msg_queue.rs b/substrate/frame/contracts/mock-network/src/mocks/msg_queue.rs
index 6e922c16c2982b8399978511b9dd5558ba2c0ce8..88ab8135ea1297d44b025ddf6d66fafbbe674858 100644
--- a/substrate/frame/contracts/mock-network/src/mocks/msg_queue.rs
+++ b/substrate/frame/contracts/mock-network/src/mocks/msg_queue.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Parachain runtime mock.
 
diff --git a/substrate/frame/contracts/mock-network/src/mocks/relay_message_queue.rs b/substrate/frame/contracts/mock-network/src/mocks/relay_message_queue.rs
index 14099965e3f173d7f06b86c08b722ceeded26418..50f0febd2c4403b4981aec0a416b5814f9902df7 100644
--- a/substrate/frame/contracts/mock-network/src/mocks/relay_message_queue.rs
+++ b/substrate/frame/contracts/mock-network/src/mocks/relay_message_queue.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use frame_support::{parameter_types, weights::Weight};
 use xcm::latest::prelude::*;
diff --git a/substrate/frame/contracts/mock-network/src/parachain.rs b/substrate/frame/contracts/mock-network/src/parachain.rs
index 3579b46ea6e9c858e73cfaa879104c550042a011..5a06cc6748b8a8034b01471c71728e95d83a0a45 100644
--- a/substrate/frame/contracts/mock-network/src/parachain.rs
+++ b/substrate/frame/contracts/mock-network/src/parachain.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Parachain runtime mock.
 
diff --git a/substrate/frame/contracts/mock-network/src/parachain/contracts_config.rs b/substrate/frame/contracts/mock-network/src/parachain/contracts_config.rs
index bf3c00b3ff1f5f3e78c164875d92742ea74a0cf0..9ad978bbc0317da57b5c114e193345d4fbf46652 100644
--- a/substrate/frame/contracts/mock-network/src/parachain/contracts_config.rs
+++ b/substrate/frame/contracts/mock-network/src/parachain/contracts_config.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::{Balances, Runtime, RuntimeCall, RuntimeEvent};
 use crate::parachain::RuntimeHoldReason;
diff --git a/substrate/frame/contracts/mock-network/src/primitives.rs b/substrate/frame/contracts/mock-network/src/primitives.rs
index efc42772f88ade5868492964b1b383c26ee689ac..cb9b2f00f9e7374d4db4d7d7a13a4e1983325182 100644
--- a/substrate/frame/contracts/mock-network/src/primitives.rs
+++ b/substrate/frame/contracts/mock-network/src/primitives.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub type Balance = u128;
 
diff --git a/substrate/frame/contracts/mock-network/src/relay_chain.rs b/substrate/frame/contracts/mock-network/src/relay_chain.rs
index 8829fff3d0436d95b3e44d87b2258d13c167efc1..705578cde1d969e131366af5f3002af709894604 100644
--- a/substrate/frame/contracts/mock-network/src/relay_chain.rs
+++ b/substrate/frame/contracts/mock-network/src/relay_chain.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Relay chain runtime mock.
 
diff --git a/substrate/frame/revive/mock-network/src/lib.rs b/substrate/frame/revive/mock-network/src/lib.rs
index 2e4f273a010319eead81b8ba74acce457be99cf9..8489946539727c507b15e874917f4f38cd73bb5c 100644
--- a/substrate/frame/revive/mock-network/src/lib.rs
+++ b/substrate/frame/revive/mock-network/src/lib.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub mod mocks;
 pub mod parachain;
diff --git a/substrate/frame/revive/mock-network/src/mocks.rs b/substrate/frame/revive/mock-network/src/mocks.rs
index bf3baec7a524abc0a9c5eee8e637b4b9a9cf3e04..6903f01e91a2b5543235fdeddb74f46634855c6b 100644
--- a/substrate/frame/revive/mock-network/src/mocks.rs
+++ b/substrate/frame/revive/mock-network/src/mocks.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub mod msg_queue;
 pub mod relay_message_queue;
diff --git a/substrate/frame/revive/mock-network/src/mocks/msg_queue.rs b/substrate/frame/revive/mock-network/src/mocks/msg_queue.rs
index 6e922c16c2982b8399978511b9dd5558ba2c0ce8..88ab8135ea1297d44b025ddf6d66fafbbe674858 100644
--- a/substrate/frame/revive/mock-network/src/mocks/msg_queue.rs
+++ b/substrate/frame/revive/mock-network/src/mocks/msg_queue.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Parachain runtime mock.
 
diff --git a/substrate/frame/revive/mock-network/src/mocks/relay_message_queue.rs b/substrate/frame/revive/mock-network/src/mocks/relay_message_queue.rs
index 14099965e3f173d7f06b86c08b722ceeded26418..50f0febd2c4403b4981aec0a416b5814f9902df7 100644
--- a/substrate/frame/revive/mock-network/src/mocks/relay_message_queue.rs
+++ b/substrate/frame/revive/mock-network/src/mocks/relay_message_queue.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use frame_support::{parameter_types, weights::Weight};
 use xcm::latest::prelude::*;
diff --git a/substrate/frame/revive/mock-network/src/parachain.rs b/substrate/frame/revive/mock-network/src/parachain.rs
index 3def48cca96b829a91b29379ffb17cea95e12e22..0fd2248db5722377545c104c770acf7fbfe71252 100644
--- a/substrate/frame/revive/mock-network/src/parachain.rs
+++ b/substrate/frame/revive/mock-network/src/parachain.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Parachain runtime mock.
 
diff --git a/substrate/frame/revive/mock-network/src/parachain/contracts_config.rs b/substrate/frame/revive/mock-network/src/parachain/contracts_config.rs
index 678e7a44490045f827adc1cfb014be0d80684108..c13c337d1667077301acef8a8e5d8e5537bc60f1 100644
--- a/substrate/frame/revive/mock-network/src/parachain/contracts_config.rs
+++ b/substrate/frame/revive/mock-network/src/parachain/contracts_config.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::{Balances, Runtime, RuntimeCall, RuntimeEvent};
 use crate::parachain::RuntimeHoldReason;
diff --git a/substrate/frame/revive/mock-network/src/primitives.rs b/substrate/frame/revive/mock-network/src/primitives.rs
index efc42772f88ade5868492964b1b383c26ee689ac..cb9b2f00f9e7374d4db4d7d7a13a4e1983325182 100644
--- a/substrate/frame/revive/mock-network/src/primitives.rs
+++ b/substrate/frame/revive/mock-network/src/primitives.rs
@@ -1,18 +1,18 @@
 // Copyright (C) Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 pub type Balance = u128;
 
diff --git a/substrate/frame/revive/mock-network/src/relay_chain.rs b/substrate/frame/revive/mock-network/src/relay_chain.rs
index 8829fff3d0436d95b3e44d87b2258d13c167efc1..705578cde1d969e131366af5f3002af709894604 100644
--- a/substrate/frame/revive/mock-network/src/relay_chain.rs
+++ b/substrate/frame/revive/mock-network/src/relay_chain.rs
@@ -1,18 +1,18 @@
 // Copyright Parity Technologies (UK) Ltd.
-// This file is part of Polkadot.
+// This file is part of Substrate.
 
-// Polkadot is free software: you can redistribute it and/or modify
+// Substrate is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Polkadot is distributed in the hope that it will be useful,
+// Substrate is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Relay chain runtime mock.