--- maelstrom-1.4.3-L3.0.6.orig/README.options
+++ maelstrom-1.4.3-L3.0.6/README.options
@@ -55,7 +55,8 @@
 	-fullscreen	This option puts a big black border around the
 			Maelstrom screen, and centers Maelstrom within it.
 			This help create a "full screen" effect on large
-			displays.
+			displays. During the game the fullscreen mode can
+			be toggled using Alt+Return.
 
 	-version	This option prints the version of the Maelstrom binary.