doc: update su.md (#473)

2023-02-26 22:25:36 +08:00 · 2023-02-26 22:25:36 +08:00 · 102422c5d0
parent 2075046db4
commit 102422c5d0
1 changed files with 1 additions and 1 deletions
--- a/command/su.md
+++ b/command/su.md
@ -46,7 +46,7 @@ su root -f
 变更帐号为test并改变工作目录至test的家目录：
 ```shell
-su -test
+su - test
 ```