===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-keygen.1,v
retrieving revision 1.158
retrieving revision 1.159
diff -u -r1.158 -r1.159
--- src/usr.bin/ssh/ssh-keygen.1	2019/04/19 05:47:44	1.158
+++ src/usr.bin/ssh/ssh-keygen.1	2019/05/20 00:20:35	1.159
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ssh-keygen.1,v 1.158 2019/04/19 05:47:44 dtucker Exp $
+.\"	$OpenBSD: ssh-keygen.1,v 1.159 2019/05/20 00:20:35 djm 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: April 19 2019 $
+.Dd $Mdocdate: May 20 2019 $
 .Dt SSH-KEYGEN 1
 .Os
 .Sh NAME
@@ -577,6 +577,15 @@
 .Dq ed25519 ,
 or
 .Dq rsa .
+.Pp
+This flag may also be used to specify the desired signature type when
+signing certificates using a RSA CA key.
+The available RSA signature variants are
+.Dq ssh-rsa
+(SHA1 signatures, not recommended),
+.Dq rsa-sha2-256
+.Dq rsa-sha2-512
+(the default).
 .It Fl U
 When used in combination with
 .Fl s ,