clarify that "domainname" in various pathnames is the actual domain name

usr.sbin/ypbind/ypbind.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: ypbind.8,v 1.8 1997/10/06 00:52:52 lukem Exp $
+.\"	$NetBSD: ypbind.8,v 1.9 1997/10/06 01:20:15 lukem Exp $
 .\"
 .\" Copyright (c) 1996 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -56,8 +56,11 @@ that particular domain and which port the server is using.  This information
 is stored in the directory
 .Pa /var/yp/binding
 in a file named with the convention
-.Pa domainname.version .
+.Pa <domain>.version ,
-(The YP system only supplies information on version 2.)
+where
+.Aq domain
+is the relevant domain.
+The YP system only supplies information on version 2.
 .Pp
 If
 .Nm
@@ -66,7 +69,7 @@ is started without the
 option,
 .Nm
 steps through the list of YP servers specified in
-.Pa /var/yp/binding/domainname.ypservers
+.Pa /var/yp/binding/<domain>.ypservers
 and contacts each in turn attempting to bind to that server. 
 It is strongly recommended that these hosts are in the local
 hosts file, and that hosts are looked up in local files before
@@ -77,7 +80,7 @@ If
 is started with the
 .Fl broadcast
 option, or if
-.Pa /var/yp/binding/domainname.ypservers
+.Pa /var/yp/binding/<domain>.ypservers
 does not exist,
 .Nm
 broadcasts to find a process willing to serve maps for the
@@ -121,10 +124,10 @@ and
 .Fl ypsetme ,
 options are inherently insecure and should be avoided.
 .Sh FILES
-.Pa /var/yp/binding/domainname.version
+.Pa /var/yp/binding/<domain>.version
-- binding file for domainname
+- binding file for <domain>.
-.Pa /var/yp/binding/domainname.ypservers
+.Pa /var/yp/binding/<domain>.ypservers
-- explicit servers to bind to.
+- explicit list of servers to bind to for <domain>.
 .Sh SEE ALSO
 .Xr domainname 1 ,
 .Xr ypcat 1 ,