-Moving polygons, similar to a kaleidescope (more like a kaleidescope
-than the hack called `kaleid,' actually.) This one by Jouk Jansen.
+Moving polygons, similar to a kaleidoscope. See also the
+"Kaleidescope" and "GLeidescope" screen savers.
+
+https://en.wikipedia.org/wiki/Kaleidoscope
+
+Written by Jouk Jansen; 1998.