facebook account integration
Guys....I have a problem to add facebook account into ML 10.8.2 It always get me message: Unable to verify account name or password. Password is 100% correct, I am using it for web login. What I am not sure is username and settings under facebook. Please can someone post step by step procedure how to add facebook account? Also facebook settings mandatory for add account into ML. Thank you.
MacBook, OS X Mountain Lion (10.8.2)