Description of problem:

The tool `kvno` usage (from command line) includes "[-k keytab]" but this is not mentioned in the corresponding man page kvno(1) and myabe not usable.
Also for the options [-C] and [-u].

Please update the doc/usage about it.


Version-Release number of selected component (if applicable):
krb5-workstation-1.18.2-5.el8

How reproducible:
always

Steps to Reproduce:
1. kvno -h 2>&1 | grep keytab
2. man kvno | grep keytab
3.

Actual results:
[root@lenovo-sr630-01 ~]# kvno -h
usage: kvno [-C] [-u] [-c ccache] [-e etype]
        [-k keytab] [-S sname] [{-I | -U} for_user | [-F cert_file] [-P]]
        [--u2u ccache] service1 service2 ...
[root@lenovo-sr630-01 ~]# echo $?
1
[root@lenovo-sr630-01 ~]#

[root@lenovo-sr630-01 ~]# man kvno | grep -A2 SYNOPSIS
SYNOPSIS
       kvno  [-c ccache] [-e etype] [-q] [-h] [-P] [-S sname] [-I for_user] [-U for_user] [-F cert_file] [--u2u ccache] ser‐
       vice1 service2 ...
[root@lenovo-sr630-01 ~]# man kvno | grep '\-k'
[root@lenovo-sr630-01 ~]# man kvno | grep '\-C'
[root@lenovo-sr630-01 ~]# man kvno | grep '\-u'
       kvno  [-c ccache] [-e etype] [-q] [-h] [-P] [-S sname] [-I for_user] [-U for_user] [-F cert_file] [--u2u ccache] ser‐
       --u2u ccache
              Requests a user-to-user ticket.  ccache must contain a local krbtgt ticket  for  the  server  principal.   The
[root@lenovo-sr630-01 ~]# rpm -qf `which kvno`
krb5-workstation-1.18.2-5.el8.x86_64
[root@lenovo-sr630-01 ~]# rpm -qf `man -w kvno`
krb5-workstation-1.18.2-5.el8.x86_64
[root@lenovo-sr630-01 ~]#

Expected results:
kvno "usage" compliant with the man page kvno(1).
I.e. options [-C] [-u] [-k keytab]

Additional info:
rhel7 has the same problem