git: f850a9288bde - main - su.1: refer to mdo(1) and improve manual syntax

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=f850a9288bde429befdfc4563288b8d71b58b308

commit f850a9288bde429befdfc4563288b8d71b58b308
Author:     Tom Hukins <tom@FreeBSD.org>
AuthorDate: 2025-05-26 17:12:38 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2025-06-11 23:16:21 +0000

    su.1: refer to mdo(1) and improve manual syntax
    
    Running `mandoc -Tlint usr.bin/su/su.1` spotted the syntax problem.
    
    Reviewed by: imp, ziaee
    Pull Request: https://github.com/freebsd/freebsd-src/pull/1712
    Closes: https://github.com/freebsd/freebsd-src/pull/1712
---
 usr.bin/su/su.1 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/usr.bin/su/su.1 b/usr.bin/su/su.1
index ba4767ff8e1c..092757af1d1d 100644
--- a/usr.bin/su/su.1
+++ b/usr.bin/su/su.1
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 26, 2020
+.Dd June 11, 2025
 .Dt SU 1
 .Os
 .Sh NAME
@@ -46,7 +46,7 @@ and switches to that user ID
 A shell is then executed.
 .Pp
 PAM is used to set the policy
-.Xr su 1
+.Nm
 will use.
 In particular, by default only users in the
 .Dq Li wheel
@@ -234,6 +234,7 @@ Simulate a login for root.
 .El
 .Sh SEE ALSO
 .Xr csh 1 ,
+.Xr mdo 1 ,
 .Xr sh 1 ,
 .Xr group 5 ,
 .Xr login.conf 5 ,