synchronize the synopsis and usage; improve description of flag "-a"

written with invaluable advice from jakemsr@, jmc@, ratchov@

ok jmc@

1 files changed, 5 insertions, 4 deletions

diff --git a/usr.bin/audioctl/audioctl.1 b/usr.bin/audioctl/audioctl.1
index ab9ca686fe6..89c178b64dc 100644
--- a/usr.bin/audioctl/audioctl.1
+++ b/usr.bin/audioctl/audioctl.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: audioctl.1,v 1.22 2007/09/27 21:55:54 sobrado Exp $
+.\" $OpenBSD: audioctl.1,v 1.23 2008/03/14 19:18:52 sobrado Exp $
 .\" $NetBSD: audioctl.1,v 1.7 1998/04/27 16:55:23 augustss Exp $
 .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -33,7 +33,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: September 27 2007 $
+.Dd $Mdocdate: March 14 2008 $
 .Dt AUDIOCTL 1
 .Os
 .Sh NAME
@@ -41,9 +41,8 @@
 .Nd control audio device
 .Sh SYNOPSIS
 .Nm audioctl
-.Op Fl n
+.Op Fl an
 .Op Fl f Ar file
-.Fl a
 .Nm audioctl
 .Op Fl n
 .Op Fl f Ar file
@@ -69,6 +68,8 @@ The options are as follows:
 .Bl -tag -width "name=valueXX"
 .It Fl a
 Print all device variables and their current values.
+This is the default, if no parameters are given to
+.Nm .
 .It Fl f Ar file
 Specify an alternative audio control device.
 .It Fl n