diff --git a/ssh-keygen.c b/ssh-keygen.c
index a67737350..6077bb20e 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-keygen.c,v 1.323 2018/10/19 03:12:42 djm Exp $ */
+/* $OpenBSD: ssh-keygen.c,v 1.324 2019/01/22 20:48:01 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -2392,9 +2392,10 @@ static void
 usage(void)
 {
 	fprintf(stderr,
-	    "usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa]\n"
+	    "usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa] [-m format]\n"
 	    "                  [-N new_passphrase] [-C comment] [-f output_keyfile]\n"
-	    "       ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-f keyfile]\n"
+	    "       ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-m format]\n"
+	    "                   [-f keyfile]\n"
 	    "       ssh-keygen -i [-m key_format] [-f input_keyfile]\n"
 	    "       ssh-keygen -e [-m key_format] [-f input_keyfile]\n"
 	    "       ssh-keygen -y [-f input_keyfile]\n"