Hello Claude,
Sorry for delay in reply.
As if now it can only be possible by making change in code. You can do like
github.com/function90/delete-my-account/...source/js/dma.js#L24
at this line number of this file on your site (plugins => system => f90deletemyaccount => tmpl => js =>dma.js), instead of
use
Please let us know if you have any other query.