User Contributed Dropdown widget: Possibility to edit the message that is shown when adding a new option

im working with the user contributed dropdown i want to know if its possible to customize the message it says when the add option is selected

This message? 

Unfortunately, it is currently not possible to customize that message. I will forward your request to our developers. Please note that we cannot provide you the exact time when and if this will be implemented. If there is any update we will inform you via this thread.