Billing data on invoice

Hello,
I need to edit my user details to display them in my invoice, but the edit user page is blank

www.joomlaux.com/component/users/?task=user.edit&id= myid

Is there a way to edit my details in my invoice?

Thanks for you help

Thank you Jackie,
how can I send you my billing data privately?
I'd rather not write them on a public forum

Thanks!
Daniele