-.B Apply
-This button saves your changes to your \fI~/.xscreensaver\fP file,
-where the
-.BR xscreensaver (1)
-can see them.
-.TP 4
-.B Cancel
-This button discards any unsaved changes you have made, and reverts the
-settings for the selected demo back to what they were before. Note that
-once you hit \fIDemo\fP or \fIApply\fP, that's it!
+.B Documentation
+Since each of the display modes is actually a separate program, they each
+may have their own manual. This opens a window viewing the man page of
+this program, if it has one.