Add comment help text to list function

Signed-off-by: Christian König <ckoenig@posteo.de>

advanced/Scripts/list.sh

@@ -91,7 +91,8 @@ Options:
   -q, --quiet         Make output less verbose
   -h, --help          Show this help dialog
   -l, --list          Display all your ${listname}listed domains
-  --nuke              Removes all entries in a list"
+  --nuke              Removes all entries in a list
+  --comment           Add a comment to the domain. If adding multiple domains the same comment will be used for all"
 
   exit 0
 }