diff --git a/src/backend/utils/cache/typcache.c b/src/backend/utils/cache/typcache.c
index 874d8cd1c9..e38fd16eb0 100644
--- a/src/backend/utils/cache/typcache.c
+++ b/src/backend/utils/cache/typcache.c
@@ -198,7 +198,7 @@ typedef struct SharedTypmodTableEntry
 } SharedTypmodTableEntry;
 
 /*
- * A comparator function for SharedTupleDescTableKey.
+ * A comparator function for SharedRecordTableKey.
  */
 static int
 shared_record_table_compare(const void *a, const void *b, size_t size,