diff --git a/tmux.1 b/tmux.1
index cf1919c6..cff5204e 100644
--- a/tmux.1
+++ b/tmux.1
@@ -23,7 +23,7 @@
 .Sh SYNOPSIS
 .Nm tmux
 .Bk -words
-.Op Fl 28lCquvV
+.Op Fl 2lCquvV
 .Op Fl c Ar shell-command
 .Op Fl f Ar file
 .Op Fl L Ar socket-name
diff --git a/tmux.c b/tmux.c
index f5be1de4..a804e6f7 100644
--- a/tmux.c
+++ b/tmux.c
@@ -60,7 +60,7 @@ __dead void
 usage(void)
 {
 	fprintf(stderr,
-	    "usage: %s [-28lquvV] [-c shell-command] [-f file] [-L socket-name]\n"
+	    "usage: %s [-2lquvV] [-c shell-command] [-f file] [-L socket-name]\n"
 	    "            [-S socket-path] [command [flags]]\n",
 	    __progname);
 	exit(1);