You have the ability to update details about your account at any time. To edit your profile, click on your profile image and then click on My Profile.

You will then be viewing details about your account. To edit it, click on Edit Profile. You will be able to update anything about your account on this page. 

Your organization may ask you to provide additional information as well. This would show up under Registration Fields. If a field is required it will have a red asterisk, you may be unable to access the site until you fill out these fields. Update any fields and click on Save.