diff --git a/cmd-join-pane.c b/cmd-join-pane.c
index f127b047..3ea012b3 100644
--- a/cmd-join-pane.c
+++ b/cmd-join-pane.c
@@ -1,4 +1,4 @@
-/* $Id: cmd-join-pane.c,v 1.2 2010-01-08 16:34:17 tcunha Exp $ */
+/* $Id: cmd-join-pane.c,v 1.3 2010-04-06 21:59:59 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -44,7 +44,7 @@ struct cmd_join_pane_data {
 
 const struct cmd_entry cmd_join_pane_entry = {
 	"join-pane", "joinp",
-	"[-dhv] [-p percentage|-l size] [-t src-pane] [-t dst-pane] [command]",
+	"[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane] [command]",
 	0, "",
 	cmd_join_pane_init,
 	cmd_join_pane_parse,