diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index f3498cd5738..b7f38f5a688 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -50,6 +50,7 @@ Improvements
 
 * GITHUB#14079: Hunspell Dictionary now supports an option to tolerate REP rule count mismatches.
   (Robert Muir)
+* GITHUB#13984: Add HNSW graph checks and stats to CheckIndex
 
 Optimizations
 ---------------------