-.TH XScreenSaver 1 "13-Nov-98" "X Version 11"
+.TH XScreenSaver 1 "08 Feb 2000" "X Version 11"
.SH NAME
critical - Draw a system showing self-organizing criticality
.SH SYNOPSIS
.B \-ncolors \fIinteger\fP
How many colors should be allocated in the color ramp (note that this
value interacts with \fIoffset\fP.)
+.TP 8
+.B \-trail \fIinteger\fP
+Length of the trail: between 5 and 100 is nice.
.SH ENVIRONMENT
.PP
.TP 8
suitability of this software for any purpose. It is provided "as is"
without express or implied warranty.
.SH AUTHOR
-Martin Pool <mbp@humbug.org.au>, 13-Nov-1998. Based in part on the
+Martin Pool <mbp@humbug.org.au>, 1998-2000. Based in part on the
XScreenSaver code by Jamie Zawinski <jwz@jwz.org>.