Okay, the last one seemed to go over well, so how about this for the finals?
Please choose the language in which you wish to play the game.
If you later wish to play the game in a different language you will need to edit the file weidu.conf and reinstall your mods.
It's short, contains the necessary information and should hopefully be understandable to mostly everyone. I suppose we could also cut the second sentence and let everyone guess at what to do (but I imagine 99 % picks a language and sticks with it to the bitter end).
Actually changing baldur.ini to reflect this choice is perhaps a feature for next version.
Barring any further bugs (that can't be fixed in time), I'd like to have the new WeiDU out on Sunday (so it doesn't come as a surprise).