diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c
index bdc410d..d78ac79 100644
--- a/contrib/postgres_fdw/deparse.c
+++ b/contrib/postgres_fdw/deparse.c
@@ -937,7 +937,7 @@ deparseTargetList(StringInfo buf,
 }
 
 /*
- * Deparse the appropriate locking clause (FOR SELECT or FOR SHARE) for a
+ * Deparse the appropriate locking clause (FOR UPDATE or FOR SHARE) for a
  * given relation (context->foreignrel).
  */
 static void