http://isdb4l77sjqoy2qq7ipum6x3at6hyn3jmxfx4zdhc72ufbmuq4ilwkqd.onion/docs/guide/app-settings.html
Tap on your user profile image in the upper left-hand of the screen. If you have more than one profile, tap the current profile again or choose Settings. Your profile settings This section is labelled "You" in the app settings. Your active profile Tap on your avatar/name to update your current profile names and avatar.