su: Correct brackets in documentation for the user option

The `<brackets>` syntax usually suggests a required option, while the `[brackets]` syntax an optional one. `user` is an optional argument.
Author: https://github.com/karolba Commit: 040012a196 Pull-request: https://github.com/SerenityOS/serenity/pull/17347 Reviewed-by: https://github.com/AtkinsSJ ✅ Reviewed-by: https://github.com/Popaulol ✅ Reviewed-by: https://github.com/kleinesfilmroellchen
2025-08-18 00:09:44 +00:00 · 2023-02-12 18:43:07 +01:00 · 2023-02-12 18:43:07 +01:00 · 040012a196 · 2024-07-17 04:34:25 +09:00
commit 040012a196
parent 3c04d22e38
1 changed files with 1 additions and 1 deletions
--- a/Base/usr/share/man/man1/su.md
+++ b/Base/usr/share/man/man1/su.md
@ -5,7 +5,7 @@ su - switch to another user
 ## Synopsis

 ```sh
-$ su [-] <user>
+$ su [-] [user]
 ```

 ## Description