grammar fixes from Michael W. Bombardieri; also emphasize stderr, as

most pages do already. From okan@

aucat/aucat.1

@@ -98,7 +98,9 @@ The default is 0:1, i.e. stereo.
 .It Fl d
 Increase log verbosity.
 .Nm
-logs on stderr until it daemonizes.
+logs on
+.Em stderr
+until it daemonizes.
 .It Fl e Ar enc
 Encoding of the playback or recording stream (see below).
 The default is signed, 16-bit, native byte order.
@@ -288,7 +290,7 @@ must precede the stream definition
 .Pq Fl ios .
 MIDI ports
 .Pq Fl q
-and streams definitions
+and stream definitions
 .Pq Fl ios
 must precede the definition of the device
 .Pq Fl f
@@ -625,7 +627,7 @@ creates sub-devices to expose first
 and then opens the audio hardware on demand.
 Technically, this allows
 .Nm
-to attempt to use one of the sub-devices it exposes as audio device,
+to attempt to use one of the sub-devices it exposes as an audio device,
 creating a deadlock.
 To avoid this,
 .Fl a Ar off

aucat/midicat.1

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: midicat.1,v 1.13 2010/07/06 10:45:01 jmc Exp $
+.\"	$OpenBSD$
 .\"
 .\" Copyright (c) 2006 Alexandre Ratchov <alex@caoua.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: July 6 2010 $
+.Dd $Mdocdate$
 .Dt MIDICAT 1
 .Os
 .Sh NAME
@@ -49,7 +49,9 @@ The options are as follows:
 .It Fl d
 Increase log verbosity.
 .Nm
-logs on stderr until it daemonizes.
+logs on
+.Em stderr
+until it daemonizes.
 .It Fl i Ar file
 Read data to send from this file.
 If the option argument is
@@ -83,7 +85,7 @@ device name string.
 Unit number to use when running in server mode.
 Each
 .Nm
-server instance has an unique unit number,
+server instance has a unique unit number,
 used in
 .Xr sndio 7
 device names.