diff --git a/sys/dev/audio/audio.c b/sys/dev/audio/audio.c
index fe1537969e98..596dfd03443d 100644
--- a/sys/dev/audio/audio.c
+++ b/sys/dev/audio/audio.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: audio.c,v 1.9 2019/05/23 12:20:27 isaki Exp $	*/
+/*	$NetBSD: audio.c,v 1.10 2019/05/25 02:42:03 isaki Exp $	*/
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -142,7 +142,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.9 2019/05/23 12:20:27 isaki Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.10 2019/05/25 02:42:03 isaki Exp $");
 
 #ifdef _KERNEL_OPT
 #include "audio.h"
@@ -5678,7 +5678,7 @@ audio_track_drain(struct audio_softc *sc, audio_track_t *track)
 	track->pstate = AUDIO_STATE_DRAINING;
 
 	for (;;) {
-		/* I want to display it bofore condition evaluation. */
+		/* I want to display it before condition evaluation. */
 		TRACET(3, track, "pid=%d.%d trkseq=%d hwseq=%d out=%d/%d/%d",
 		    (int)curproc->p_pid, (int)curlwp->l_lid,
 		    (int)track->seq, (int)mixer->hwseq,