Fix typo 5. GitHub won't let me do more at one time.

Co-authored-by: Bryce Willey <Bryce.Steven.Willey@gmail.com>

lib/scope.js

@@ -918,7 +918,7 @@ module.exports = {
       }
 
       let result = {
-        // Unfortunately mutating frozen objects only fails silently.
+        // NOTE: mutating frozen objects will fail silently, so don't mutate this attribute
         original: Object.freeze(row),
         artificial: false,
         // Give fake data if needed to prevent some kind of hidden input field from being found