Login to your account and click the Edit Account link which is located at the bottom (footer) of the page. This will bring you to the Account Details page where you can then proceed to edit your account details. After making your changes, please make sure to click Save Settings and to also click on the verification link found on the email that is automatically sent to you. If you do not verify the changes, they will not reflect on your account. If you do not receive the verification email please make sure to check your spam/junk folder.