Could you possibly be playing in a language other than English?
If so, the issue is talked about in this thread
and workarounds can be found in posts #6
If you understand German, this
might help, too (I personally don't understand German).
I am a community moderator, here to assist, keep the peace, and keep these boards clean and friendly for all. I am a volunteer, and not a Telltale employee, and my opinions are my own.