The website "acc-fb-com.services" is a fake Facebook website created by cybercriminals steal Facebook usernames and passwords. Facebook users who have already been tricked by the website, thinking they were confirming their accounts to avoid some so-called service limitations, are asked to change their Facebook passwords immediately. This will prevent the cybercriminals behind the fake website from hijacking their accounts and using them fraudulently.
The Fraudulent Facebook Website - acc-fb-com.services

Stay secure on Facebook
Account Confirmation
Dear user,
We require you to confirm your Facebook details today to avoid service limitations! Due to new regulations on Social Media Platforms you need to complete this step by 27th of November 2017. This is to ensure account integrity and the security of our users! Failing to complete this step may get your account banned!
We're sorry for the inconvenience!
Facebook users who have tricked by the fake website and who are unable to gain access to their accounts, can click here for help to regain access to their account.