List all of your Site Specifics in this area. These could be things like what browser your site looks best in, the screen resolution your design was made for, elements of your site design, and other site tracking info. You can also include other future elements or site upgrades you plan on adding to your web site and maybe the release dates.

You could then include a "Notify Me" link so that your visitors can submit their e-mail address to you requesting that you notify them when such changes go into effect.