The personal information (name, address, etc.) for any domain name owner is displayed by WHOIS services. hostbeak strongly recommends that this information is kept up-to-date at all times.
If your domain is registered by hostbeak you can update and edit your WHOIS domain information through your hostbeak Client Area > Services > Domains > Manage. On the new page, you will be able to edit this information.
If you are a hostbeak reseller, you can update and edit your WHOIS domain information through your hostbeak Reseller area > Services > Domains > Manage.
If your domain is not registered by hostbeak you will need to contact your current registrar and request the change in your domain name WHOIS information.