Fix a help string.

1 files changed, 1 insertions, 1 deletions

diff --git a/gpscat b/gpscat
index c556d2dd..387bec44 100755
--- a/gpscat
+++ b/gpscat
@@ -48,7 +48,7 @@ if __name__ == '__main__':
                 typeflag = True
                 rawmode = False
             elif switch == '-h':
-                sys.stderr.write("usage: gpscat [-s] serial-port\n")
+                sys.stderr.write("usage: gpscat [-s speed] serial-port\n")
                 raise SystemExit, 0
             elif switch == '-V':
                 sys.stderr.write("gpscat at svn revision $Rev$\n")