Missed description field

I have an extension Custom Fields, and there a typo that coz Description field disappear.
There is a typo in \wp-content\plugins\wpadverts-custom-fields\includes\functions.php at 409 row.
value="tinymice-full"
But in render function in \wp-content\plugins\wpadverts\includes\functions.php at 1477 there is check for tinymce-full so i get an error Parameter [mode] is missing in the form!