ALSA: docs: Remove 3rd person singular s in *to indicate*

Fixes: 78811dd56def ("ALSA: docs: Add documents for recently changes in snd-usb-audio")
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://patch.msgid.link/20250903100842.267194-1-pmenzel@molgen.mpg.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed