diff -up cvsps-2.2b1/cvsps.1.orig cvsps-2.2b1/cvsps.1
--- cvsps-2.2b1/cvsps.1.orig	2009-12-22 21:16:20.000000000 +0200
+++ cvsps-2.2b1/cvsps.1	2009-12-22 21:16:25.000000000 +0200
@@ -83,7 +83,7 @@ some hacks which are not generally appli
 disable the use of rlog internally.  Note: rlog is
 required for stable PatchSet numbering.  Use with care.
 .TP
-.B \-\-diffs\-opts <option string>
+.B \-\-diff\-opts <option string>
 send a custom set of options to diff, for example to increase
 the number of context lines, or change the diff format.
 .TP