TiDB Lightning: Modify the description of routes label (#4025)
TiDB Lightning: Modify the description of routes label (#4025)

参数错误，github 链接如下：
https://github.com/pingcap/tidb-lightning/blob/25256f7e4413e4fe8937a046fcd50a5708abb581/tidb-lightning.toml#L222

在 tidb-backend 中是否可以给一个完整的配制模板？请帮忙评估

Co-authored-by: TomShawn <3d0966147538bc5ab020e8dffa2c0b746f9728a6@users.noreply.github.com>
pingcap/docs-cn,pingcap/docs-cn