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-rw-r--r--xbacklight.man7
1 files changed, 6 insertions, 1 deletions
diff --git a/xbacklight.man b/xbacklight.man
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+++ b/xbacklight.man
@@ -44,8 +44,13 @@ Sets each backlight brightness to the specified level.
Increases brightness by the specified amount.
.IP "-dec \fIpercent\fP"
Decreases brightness by the specified amount.
-.IP --help
+.IP -help
Print out a summary of the usage and exit.
+.IP "-time \fImilliseconds\fP"
+Length of time to spend fading the backlight between old and new value.
+Default is 200.
+.IP "-steps \fInumber\fP"
+Number of steps to take while faiding. Default is 20.
.SH "SEE ALSO"
Xrandr(3)
.SH AUTHORS