git: a3a82ed84312 - main - mixer.8: Document -h

The branch main has been updated by 0mp (doc, ports committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=a3a82ed84312f76609506a4de909a8ec2ef70c02

commit a3a82ed84312f76609506a4de909a8ec2ef70c02
Author:     Mateusz Piotrowski <0mp@FreeBSD.org>
AuthorDate: 2021-10-17 08:02:15 +0000
Commit:     Mateusz Piotrowski <0mp@FreeBSD.org>
CommitDate: 2021-10-17 08:02:15 +0000

    mixer.8: Document -h
---
 usr.sbin/mixer/mixer.8 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/mixer/mixer.8 b/usr.sbin/mixer/mixer.8
index 3a0a70932ba9..2dd7818a1fd4 100644
--- a/usr.sbin/mixer/mixer.8
+++ b/usr.sbin/mixer/mixer.8
@@ -22,7 +22,7 @@
 .\" $FreeBSD$
 .\"
 
-.Dd September 22, 2021
+.Dd October 17, 2021
 .Dt mixer 8
 .Os
 .Sh NAME
@@ -39,6 +39,8 @@
 .Op Fl d Ar unit
 .Op Fl os
 .Fl a
+.Nm
+.Fl h
 .Sh DESCRIPTION
 The
 .Nm
@@ -58,6 +60,8 @@ at the number each mixer device has by running
 Open
 .Ar device
 as the mixer device (see FILES).
+.It Fl h
+Print a help message.
 .It Fl o
 Print mixer values in a format suitable for use inside scripts. The
 mixer's header (name, audio card name, ...) will not be printed.