-long-sustain phosphor. This program is also a fully-functional
-VT100 emulator! Run it as an application instead of as a screen
-saver and you can use it as a terminal.
+long-sustain phosphor.
+
+On MacOS and Linux, this program is also a fully-functional VT100
+emulator! Run it as an application instead of as a screen saver and
+you can use it as a terminal.