If you have that tablet you probably want to have full control of what is being displayed on those little OLED screens on the tablet. Currently gnome doesn't give option to change it - you just have to accept whatever was generated for you. Or, do you?
This is a workaround and I hope in long run we wont need it.
Hit Alt-F2 and type "dconf-editor" Go to org -> gnome -> settings-daemon -> peripherials -> wacom
You should see there a ID string that look very user unfriendly, like here:
Open the item and find buttons section and edit OLED label:
That's it! You should see this on your tablet: