If you REALLY need it, here you go.
LinkThe steps there will give you the language support you want, hopefully.
I'm not quite sure if it works for the current firmware, but I'll fish around for something a little easier.
Edit: Nevermind this probably won't work in v3 firmware. Sorry for that. But that does seem like something that really should be included.
I can't prove it, but I can say it.