diff --git a/src/backend/utils/cache/relfilenodemap.c b/src/backend/utils/cache/relfilenodemap.c
index 68b01ca68f..3acda32d17 100644
--- a/src/backend/utils/cache/relfilenodemap.c
+++ b/src/backend/utils/cache/relfilenodemap.c
@@ -82,7 +82,7 @@ RelfilenodeMapInvalidateCallback(Datum arg, Oid relid)
 }
 
 /*
- * RelfilenodeMapInvalidateCallback
+ * InitializeRelfilenodeMap
  *		Initialize cache, either on first use or after a reset.
  */
 static void