You can update all your personal contact information, including your full name, email address, and phone number, by logging into your account and clicking on the Account Settings tab on the left hand side of the home screen.
If you need to change or update your personal information be sure to keep this new information private. You will never be asked for private information such as your password. Do not respond to this kind of message. Never follow links or open attachments in suspicious or unsolicited messages. Your password is private and should not be shared with anyone.