Thanks. Didn't see that. Its sort of an old account, only just started using it though. I'll wait for their reply. thanksThis is a new account or you're trying to update an old one?
From their FAQ:
" [SIZE=-0] How do I change to a business or non-business account? [/SIZE]
Currently, it isn't possible to change this setting yourself. If you'd like to change your AdWords account to a business or a non-business account, please contact us. We'll let you know what we need in order to make the switch."
Did you try their Live chat assistance?
Lots of other info in the help center too.