Update your biographical information, then click the "Submit" button.
Note that you do not have to supply all the information. Only supply what you are comfortable providing.
To confirm that you are the correct person, I will send you a confirming email to your personal email address that I have on file. If I do not have an email address for you, I will get in touch with you some other way to confirm you are the one requesting changes. This may delay getting the changes updated to your bio.