diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c
index 2932d17a107..739ea13d5db 100644
--- a/src/backend/parser/analyze.c
+++ b/src/backend/parser/analyze.c
@@ -3867,7 +3867,7 @@ transformLockingClause(ParseState *pstate, Query *qry, LockingClause *lc,
 										   allrels, true);
 					break;
 				default:
-					/* ignore JOIN, SPECIAL, FUNCTION, VALUES, CTE RTEs */
+					/* ignore all other RTE kinds */
 					break;
 			}
 		}