diff --git a/src/include/catalog/pg_db_role_setting.h b/src/include/catalog/pg_db_role_setting.h
index 45d478e9e7..f92e867df4 100644
--- a/src/include/catalog/pg_db_role_setting.h
+++ b/src/include/catalog/pg_db_role_setting.h
@@ -51,7 +51,7 @@ DECLARE_TOAST_WITH_MACRO(pg_db_role_setting, 2966, 2967, PgDbRoleSettingToastTab
 DECLARE_UNIQUE_INDEX_PKEY(pg_db_role_setting_databaseid_rol_index, 2965, DbRoleSettingDatidRolidIndexId, on pg_db_role_setting using btree(setdatabase oid_ops, setrole oid_ops));
 
 /*
- * prototypes for functions in pg_db_role_setting.h
+ * prototypes for functions in pg_db_role_setting.c
  */
 extern void AlterSetting(Oid databaseid, Oid roleid, VariableSetStmt *setstmt);
 extern void DropSetting(Oid databaseid, Oid roleid);