git: 246e0457d930 - main - mixer.8: Add terse example for increasing volume

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=246e0457d93071ffd901c78e3ee7badc5f51bd4c

commit 246e0457d93071ffd901c78e3ee7badc5f51bd4c
Author:     Alexander Ziaee <concussious@runbox.com>
AuthorDate: 2024-01-12 17:12:19 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2024-01-12 22:55:36 +0000

    mixer.8: Add terse example for increasing volume
    
    Reviewed by:    jhb
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/1044
---
 usr.sbin/mixer/mixer.8 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/mixer/mixer.8 b/usr.sbin/mixer/mixer.8
index 6d553a5934f4..10a461d91693 100644
--- a/usr.sbin/mixer/mixer.8
+++ b/usr.sbin/mixer/mixer.8
@@ -19,7 +19,7 @@
 .\" OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 .\" THE SOFTWARE.
 .\"
-.Dd April 29, 2022
+.Dd January 12, 2024
 .Dt MIXER 8
 .Os
 .Sh NAME
@@ -218,6 +218,13 @@ opens when the
 option has not been specified.
 .El
 .Sh EXAMPLES
+Increase the volume for the
+.Cm vol
+device of the first mixer found by 5%:
+.Bd -literal -offset indent
+$ mixer vol=+0.05
+.Ed
+.Pp
 Change the volume for the
 .Cm vol
 device of the