diff --git a/SRC/pgsql/src/backend/utils/adt/array_userfuncs.c b/SRC/pgsql/src/backend/utils/adt/array_userfuncs.c
index 9eb678a..505cf69 100644
--- a/SRC/pgsql/src/backend/utils/adt/array_userfuncs.c
+++ b/SRC/pgsql/src/backend/utils/adt/array_userfuncs.c
@@ -455,7 +455,8 @@ array_cat(PG_FUNCTION_ARGS)
 
 
 /*
- * used by text_to_array() in varlena.c
+ * create_singleton_array	--- create 1-D array with possible NULLs
+ * used by text_to_array_internal() in varlena.c
  */
 ArrayType *
 create_singleton_array(FunctionCallInfo fcinfo,