diff --git a/cmd/pg-lo-demo/main.go b/cmd/pg-lo-demo/main.go
index 83343c6..b160a8d 100644
--- a/cmd/pg-lo-demo/main.go
+++ b/cmd/pg-lo-demo/main.go
@@ -25,6 +25,8 @@ func run(ctx context.Context) error {
 	}
 
 	return with.PSQL(ctx, *c, func(pg *sql.DB) error {
+		// SELECT lo_creat(-1);
+		// SELECT pg_catalog.lowrite(0, '\\037\\213\\010\\000\\000\\000\\000\\000\\000\\000\\245\\220;n\\3030\\014')
 		return ctx.Err()
 	})
 }