diff --git a/public/scripts/power-user.js b/public/scripts/power-user.js
index 7641eba9a..ff32322a6 100644
--- a/public/scripts/power-user.js
+++ b/public/scripts/power-user.js
@@ -1014,7 +1014,7 @@ async function doMesCut(_, text) {
 
     //reject invalid args or no args
     if (text && isNaN(text) || !text) {
-        toastr.error('Must enter a message ID number.')
+        toastr.error(`Must enter a single number only, non-number characters disallowed.`)
         return
     }