diff --git a/docs/pages/release_notes.md b/docs/pages/release_notes.md
index b8f8783555..7b7b78d674 100644
--- a/docs/pages/release_notes.md
+++ b/docs/pages/release_notes.md
@@ -16,9 +16,14 @@ This is a {{ site.pmd.release_type }} release.
 
 ### Fixed Issues
 
+*   c#
+    *   [#2551](https://github.com/pmd/pmd/issues/2551): \[c#] CPD suppression with comments doesn't work
+
 ### API Changes
 
 ### External Contributions
 
+*   [#2567](https://github.com/pmd/pmd/pull/2567): \[c#] Fix CPD suppression with comments doesn't work - [Lixon Lookose](https://github.com/LixonLookose)
+
 {% endtocmaker %}