update readme

README.MD

@@ -20,7 +20,7 @@ The next two do not work with `rofi` unless you have `alias dmenu=rofi` set, but
 
 - `passmenu_wrapper` a wrapper for passmenu. It basically just styles `passmenu` with no other features
 - `command_wrapper`  inspired by passmenu_wrapper, a basic tool to run other `dmenu` related tools with uniform styling
-
+  - for example: `dmenu_run`, `clipmenu`, `passmenu` etc.
 ### Example in `dmenu`:
 
 ![dmenu_tools](https://user-images.githubusercontent.com/31094984/167123173-ee8092a2-d5ab-47b4-b207-ced328072cc0.gif)

command_wrapper.nim

@@ -14,9 +14,9 @@ if isMainModule:
     case arg:
       of "-r", "--run":
         run_command = args[idx + 1]
-      else:
-        echo "No run tag given. Please run again with '--run _cmd_'"
         break
+      else:
+        echo "No command given, please run again with `[-r|--run] __cmd__`"
 
   if run_command != "":
     main()