diff --git a/aucat/aucat.1 b/aucat/aucat.1
index 08036b8..8e14e07 100644
--- a/aucat/aucat.1
+++ b/aucat/aucat.1
@@ -142,12 +142,16 @@ be sent on multiple outputs or to record a stereo input into a mono stream.
 The default is
 .Ar on .
 .It Fl L Ar addr
-Listen on the given address for incoming TCP connections.
+Specify a local network address to listen on in server mode,
+.Nm
+will listen on TCP port 11025+n, where n is the unit number
+specified with
+.Fl U .
 Without this option,
 .Nm
-listens only on the Unix-domain socket, thus it's not reachable
-from the network.
-The port number is 6523 plus the unit number.
+listens on the
+.Ux Ns -domain
+socket only, and is not reachable from the network.
 .It Fl l
 Detach and become a daemon.
 .It Fl m Ar mode
diff --git a/aucat/conf.h b/aucat/conf.h
index ff7a898..0e067c0 100644
--- a/aucat/conf.h
+++ b/aucat/conf.h
@@ -33,10 +33,10 @@ extern int debug_level;
 /*
  * socket and option names
  */
-#define MIDICAT_PATH		"midicat"
 #define AUCAT_PATH		"aucat"
-#define MIDICAT_PORT		6533
-#define AUCAT_PORT		6523
+#define MIDICAT_PATH		"midicat"
+#define AUCAT_PORT		11025
+#define MIDICAT_PORT		11041
 #define DEFAULT_OPT		"default"
 
 /*
diff --git a/aucat/midicat.1 b/aucat/midicat.1
index 00b735a..698cca6 100644
--- a/aucat/midicat.1
+++ b/aucat/midicat.1
@@ -59,12 +59,16 @@ If the option argument is
 .Sq -
 then standard input will be used.
 .It Fl L Ar addr
-Listen on the given address for incoming TCP connections.
+Specify a local network address to listen on in server mode,
+.Nm
+will listen on TCP port 11041+n, where n is the unit number
+specified with
+.Fl U .
 Without this option,
 .Nm
-listens only on the Unix-domain socket, thus it's not reachable
-from the network.
-The port number is 6533 plus the unit number.
+listens on the
+.Ux Ns -domain
+socket only, and is not reachable from the network.
 .It Fl l
 Detach and become a daemon.
 .It Fl o Ar file
diff --git a/libsndio/sndio.7 b/libsndio/sndio.7
index 5d81503..14bd35e 100644
--- a/libsndio/sndio.7
+++ b/libsndio/sndio.7
@@ -72,7 +72,7 @@ or
 .Xr midicat 1
 service has a name of the form:
 .Bd -literal -offset center
-type:unit[.option]
+type:[hostname/]unit[.option]
 .Ed
 .Pp
 This information is used by audio and MIDI applications to determine
@@ -101,6 +101,12 @@ software MIDI thru boxes, hardware
 ports and
 .Xr aucat 1
 control through MIDI respectively.
+.It Pa hostname
+The hostname where the remote
+.Xr aucat 1
+or
+.Xr midicat 1
+server to connect to is running.
 .It Pa unit
 For hardware audio or MIDI devices, this corresponds to
 the character device minor number.