diff --git a/release-notes/opensearch-knn.release-notes-2.4.0.0.md b/release-notes/opensearch-knn.release-notes-2.4.0.0.md
index 9c0c45af5a..5b5cbcc7e1 100644
--- a/release-notes/opensearch-knn.release-notes-2.4.0.0.md
+++ b/release-notes/opensearch-knn.release-notes-2.4.0.0.md
@@ -23,6 +23,7 @@ Compatible with OpenSearch 2.4.0
 
 ### Bug Fixes
 * Fix NPE on null script context ([#560](https://github.com/opensearch-project/k-NN/pull/560))
+* Add fix to fromXContent and toXContent in ModelGraveyard ([#618](https://github.com/opensearch-project/k-NN/pull/618))
 
 ### Refactoring
 * Refactor kNN codec related classes ([#582](https://github.com/opensearch-project/k-NN/pull/582))