in your profile, right above the certifications, is the place where you can change the web address.
Log in. At the top of any page you will find “your name (log out) -My Account – View Cart”. Click my account. Scroll down to the “About Me” section on that page. In the upper right hand corner of the “About Me” section is an “edit” icon. Click it and then scroll to the “website” portion and type in your new web address. Then scroll further down and click the “Save” icon. And you are all set.