Troubbel whit som letters in theme

Hello

I have downloadet "The Edublogs Homepage Theme" and try to get it how i want it and in my lang.

The problem now is i get this sign in som letters "?".

Normaly when i get this i just write UTF8 in the meta and then it would work,

but here i dont know where i can edit it and write it..

so can any one help me whit this?