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

Fixes: 78811dd ("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>

Author: paulmenzel

Documentation/sound/alsa-configuration.rst

@@ -2293,7 +2293,7 @@ delayed_register
     notice the need.
 skip_validation
     Skip unit descriptor validation (default: no).
-    The option is used to ignores the validation errors with the hexdump
+    The option is used to ignore the validation errors with the hexdump
     of the unit descriptor instead of a driver probe error, so that we
     can check its details.
 quirk_flags