-SSystem has since evolved into two different programs: OpenUniverse
-(http://openuniverse.sourceforge.net/) and Celestia
-(http://www.shatters.net/celestia/). Sadly, neither of these programs
-work with xscreensaver at all. You are encouraged to nag their authors
-into adding xscreensaver support!
+SSystem has since evolved into Celestia, found at
+<http://www.shatters.net/celestia/>. Sadly, Celestia does not work
+with xscreensaver at all. You are encouraged to nag the authors into
+adding xscreensaver support!