RuntimeCode: doc fixed (#1461)

substrate/primitives/core/src/traits.rs

@@ -91,7 +91,7 @@ pub struct RuntimeCode<'a> {
 	///
 	/// If `None` are given, the default value of the executor will be used.
 	pub heap_pages: Option<u64>,
-	/// The SCALE encoded hash of `code`.
+	/// The hash of `code`.
 	///
 	/// The hashing algorithm isn't that important, as long as all runtime
 	/// code instances use the same.