In order for you to update your Profile you just have to follow the steps below.
On the top rand hand side of the dashboard, you will see an icon with a silhouetted face and an arrow next to it pointing down.
If you click on the arrow, a drop down list will appear with the options Profile, Upgrade Plan, and Settings.
Click on Profile.
Change the section/sections you wish to update and click "Update my profile", in order for the changes to be saved.
Your Profile is now updated.