Fixed one typo

Ato2207 · Ato2207 · commit 9ed55f88de04 · 2023-12-29T15:35:23.000+02:00
diff --git a/src/uu/vdir/vdir.md b/src/uu/vdir/vdir.md
@@ -5,6 +5,6 @@ vdir [OPTION]... [FILE]...
 ```
 
 List directory contents.
-Ignore files and directories starting with a '.' by default
+Ignore files and directories starting with a '.' by default.
 
 Mandatory  arguments  to  long  options are mandatory for short options too.
