Appointments FAQ error - example site dead

In the Appointments FAQ there is a question

"How is the plugin supposed to work by the way?"
Please visit our Demo website.

Links to
http://appointmentsplus.org/ - which is a dead site - not hosted.

http://appointmentsplus.org/cgi-sys/suspendedpage.cgi

How can we edit the FAQ?

Also - can you make that question link to a live example site please?