Hı I managed to change the language file but there are sone topics I don't know where to change:
http://prntscr.com/e8s1p8
and
http://prntscr.com/e8s4qy
http://prntscr.com/e8s1p8
and
http://prntscr.com/e8s4qy
You should run on development mode for this to take effect for now as the javascript files are not compiled yet.
Can you go to your Conversekit settings in the backend, change System Environment into development mode from the dropdown.