shithub: rc

Download patch

ref: 0b1d666affa998cc6606fa6277f3312b20f857d5
parent: 094869e40b9ab8fb1bb2f548fbe3847f81710900
author: qwx <qwx@sciops.net>
date: Mon May 2 12:02:20 EDT 2022

fix usage error string