X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fripples.man;h=55160029b3dcccf54d83fa6d6d9ff0927c07497d;hp=caa2686327e806fec806e563be79210344cc9ec2;hb=0d6b320def9180cf907ceaed56b23a972a11b757;hpb=3f438031d610c7e15fd33876a879b97e290e05fb

diff --git a/hacks/ripples.man b/hacks/ripples.man
index caa26863..55160029 100644
--- a/hacks/ripples.man
+++ b/hacks/ripples.man
@@ -14,6 +14,7 @@ ripples - interference patterns.
 [\-water]
 [\-stir]
 [\-oily]
+[\-grayscale]
 [\-colors \fInumber\fP]
 [\-no-shm]
 .SH DESCRIPTION
@@ -53,6 +54,11 @@ Moving Splashes.  Boolean.
 .B \-oily | \-no-oily
 Psychedelic Colors.  Boolean.
 .TP 8
+.B \-grayscale
+Convert the screen image to grayscale.
+Ignored if we don't grab the screen image or if our screen doesn't have
+enough color depth.
+.TP 8
 .B \-colors \fInumber\fP
 Colors Two.  Default: 200.
 .TP 8