add man

diff --git a/vncviewer/vncviewer.man b/vncviewer/vncviewer.man
index 9b652a625e8f1c8cd4afe8f6fb03b185e1abec7f..9e81f7e25aedf22feb9ea27a2774c32afb9b4245 100644 (file)
--- a/vncviewer/vncviewer.man
+++ b/vncviewer/vncviewer.man
@@ -52,7 +52,8 @@ given too, but the given configuration file will overwrite any conflicting
 parameters.
 
 If the VNC server is successfully contacted, you will be prompted for a
-password to authenticate you.  If the password is correct, a window will appear
+password to authenticate you. You can also add 'VNC_USERNAME' and 'VNC_PASSWORD'
+to environment variables. If the password is correct, a window will appear
 showing the desktop of the VNC server.
 
 .SH AUTOMATIC PROTOCOL SELECTION