diff --git a/Release Notes/510.md b/Release Notes/510.md
index 24400d550a5..f9024ce6119 100644
--- a/Release Notes/510.md	
+++ b/Release Notes/510.md	
@@ -21,6 +21,11 @@
   - Description: Remarks are used by the Swift compiler and other tools to describe some aspect of translation that doesn't reflect correctness, but may be useful for the user. Remarks have been added to the diagnostic severity enums to align with the Swift compiler.
   - Pull Request: https://github.com/apple/swift-syntax/pull/2143
 
+- `assertMacroExpansion` now have new parameters named `applyFixIts` and `fixedSource`
+  - Description: `applyFixIts` and `fixedSource` are used to assert so ensure that the source code after applying Fix-Its matches this string.
+  - Issue: https://github.com/apple/swift-syntax/issues/2015
+  - Pull Request: https://github.com/apple/swift-syntax/pull/2021
+
 ## API Behavior Changes
 
 ## Deprecations
diff --git a/Release Notes/511.md b/Release Notes/511.md
index fd03ecf4139..694aed49475 100644
--- a/Release Notes/511.md	
+++ b/Release Notes/511.md	
@@ -11,11 +11,6 @@
   - Issue: https://github.com/apple/sourcekit-lsp/issues/909
   - Pull Request: https://github.com/apple/swift-syntax/pull/2314
 
-- `assertMacroExpansion` now have new parameters named `applyFixIts` and `fixedSource`
-  - Description: `applyFixIts` and `fixedSource` are used to assert so ensure that the source code after applying Fix-Its matches this string.
-  - Issue: https://github.com/apple/swift-syntax/issues/2015
-  - Pull Request: https://github.com/apple/swift-syntax/pull/2021
-
 - `DeclSyntaxEnum`, `StmtSyntaxEnum`, `ExprSyntaxEnum`, `TypeSyntaxEnum`, and `PatternSyntaxEnum`
   - Description: Enum to exhaustively switch over all different syntax nodes of each base type.
   - Pull Request: https://github.com/apple/swift-syntax/pull/2351