upstream commit

In the certificates section, be consistent about using
 "host_key" and "user_key" for the respective key types.  ok sthen@ deraadt@

Upstream-ID: 9e037ea3b15577b238604c5533e082a3947f13cb
diff --git a/ssh-keygen.1 b/ssh-keygen.1
index 8c3317b..ed17a08 100644
--- a/ssh-keygen.1
+++ b/ssh-keygen.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ssh-keygen.1,v 1.126 2015/07/03 03:49:45 djm Exp $
+.\"	$OpenBSD: ssh-keygen.1,v 1.127 2015/08/20 19:20:06 naddy Exp $
 .\"
 .\" Author: Tatu Ylonen <ylo@cs.hut.fi>
 .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -35,7 +35,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 3 2015 $
+.Dd $Mdocdate: August 20 2015 $
 .Dt SSH-KEYGEN 1
 .Os
 .Sh NAME
@@ -680,7 +680,7 @@
 to
 .Fl s :
 .Pp
-.Dl $ ssh-keygen -s ca_key.pub -D libpkcs11.so -I key_id host_key.pub
+.Dl $ ssh-keygen -s ca_key.pub -D libpkcs11.so -I key_id user_key.pub
 .Pp
 In all cases,
 .Ar key_id
@@ -693,7 +693,7 @@
 To generate a certificate for a specified set of principals:
 .Pp
 .Dl $ ssh-keygen -s ca_key -I key_id -n user1,user2 user_key.pub
-.Dl "$ ssh-keygen -s ca_key -I key_id -h -n host.domain user_key.pub"
+.Dl "$ ssh-keygen -s ca_key -I key_id -h -n host.domain host_key.pub"
 .Pp
 Additional limitations on the validity and use of user certificates may
 be specified through certificate options.