cmd: fix long text for sound command
authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Sun, 4 Dec 2022 15:33:07 +0000 (16:33 +0100)
committerHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Mon, 5 Dec 2022 16:43:21 +0000 (17:43 +0100)
commitff414fcc44b8b385600df54f5a7dc0719cec106f
treea505ceaf8779e22bf9a7242e389a504099405882
parent968eaaeaa7a8cf0956e19e9217af9e81bc7fb2eb
cmd: fix long text for sound command

Make it clear that if only 1 parameter is provided this is the duration.

The ISO symbol for hertz is Hz.

Fixes: c0c88533fffd ("Sound: Add command for audio playback")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
cmd/sound.c