--- xboing.man.orig	1996-11-22 01:28:46 UTC
+++ xboing.man
@@ -45,7 +45,7 @@
 xboing \- An X Window System based blockout clone. V2.4
 .SH SYNOPSIS
 .B xboing 
-[-version] [-usage] [-help] [-sync] [-display <displayName>] [-speed <1-10>] [-scores] [-keys] [-sound] [-setup] [-nosfx] [-grab] [-maxvol <1-100>] [-startlevel <1-MAXLEVELS>] [-usedefcmap] [-nickname <name>] [-noicon]
+[-version] [-usage] [-help] [-sync] [-display <displayName>] [-speed <1-10>] [-scores] [-keys] [-no-sound] [-setup] [-nosfx] [-grab] [-maxvol <1-100>] [-startlevel <1-MAXLEVELS>] [-no-usedefcmap] [-nickname <name>] [-noicon]
 .IP
 -speed <n>         - The game speed, 1 - 9. 9=Fast
 .br
@@ -67,6 +67,8 @@ xboing \- An X Window System based blockout clone. V2.
 .br
 -sound             - Turn audio ON for game
 .br
+-no-sound          - Turn audio OFF for game
+.br
 -setup             - Print setup information
 .br
 -nosfx             - Turn off special effects
@@ -74,6 +76,8 @@ xboing \- An X Window System based blockout clone. V2.
 -grab              - Turn pointer grabbing on
 .br
 -usedefcmap        - Use the default colourmap
+.br
+-no-usedefcmap     - Do not use the default colourmap
 .br
 -nickname <name>   - Use nickname instead of real one
 .br