Adding a Domain (A site) to my WPMU installation

Hi,

I want to add a domain to my primary site barbaratenpas.com. I got a link from David with instructions on how to do this from David. I have installed the plugin and adjusted my config file. I think I also got the domain configuration done - I entered the IP address of the barbaratenpas.com site.

I don't quite understand the next step and whether I'm doing this right. Do I add my new domain: http://emptybowlsvapeninsula under domain mapping tool.

And I don't understand the uncomment instruction.

The overall process will result in what looks like a completely different site just managed from one installation - right?

Thanks for you help.
Randie