The following article illustrates how to edit your user information directly from Microsoft SharePoint 2013.
1. Access your site by navigating to your site collection URL. (http://customerdomain.solidsharepoint.net)
2. Located in the upper-right corner of your site collection is your User Display Name. Select the drop-down arrow and click on My Settings.
3. Under user information, click on Edit Item.
4. You can now edit your SharePoint 2013 user information such as Name, E-mail, Picture and SIP Address. Click Save when complete.