The asset store. How do i change my account email?

In the asset store i put agentjonjon110@aol.com instead of agentjonjon101@aol.com and im trying to edit it in the newsletter but it dosent work. Please help or redirect me ,if im asking the wrong department, redirect me to the correct place. And make sure to email agentjonjon101@aol.com please. Thanks.

Oh, ok thanks!