media: staging: media: usbvision: usbvision-core Correct spelling

Correct spelling in comment
Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/usbvision/usbvision-core.c

@@ -1268,7 +1268,7 @@ static void usbvision_isoc_irq(struct urb *urb)
 	if (!USBVISION_IS_OPERATIONAL(usbvision))
 		return;
 
-	/* any urb with wrong status is ignored without acknowledgement */
+	/* any urb with wrong status is ignored without acknowledgment */
 	if (urb->status == -ENOENT)
 		return;