===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cdio/cdio.1,v
retrieving revision 1.47
retrieving revision 1.48
diff -u -r1.47 -r1.48
--- src/usr.bin/cdio/cdio.1	2007/11/12 20:37:42	1.47
+++ src/usr.bin/cdio/cdio.1	2008/06/22 21:04:01	1.48
@@ -1,4 +1,4 @@
-.\" $OpenBSD: cdio.1,v 1.47 2007/11/12 20:37:42 jmc Exp $
+.\" $OpenBSD: cdio.1,v 1.48 2008/06/22 21:04:01 av Exp $
 .\"
 .\" Copyright (c) 1995 Serge V. Vakulenko
 .\" All rights reserved.
@@ -29,7 +29,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: November 12 2007 $
+.Dd $Mdocdate: June 22 2008 $
 .Dt CDIO 1
 .Os
 .Sh NAME
@@ -220,7 +220,9 @@
 .Pp
 .Bl -tag -width Ds -compact
 .It Fl a
-Write files as audio tracks.
+Write files as audio tracks. Acceptable formats of audio track are CD-DA track
+and WAVE audio with 2 channels of PCM audio, each signed 16-bit (little endian)
+values sampled at 44100 Hz.
 .It Fl d
 Write files as data tracks (the default).
 .El