be more explicit

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4001 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/h323/h323.conf.sample

@@ -3,7 +3,7 @@
 ;
 [general]
 port = 1720
-bindaddr = 1.2.3.4 	; this SHALL contain a single, valid IP address
+bindaddr = 1.2.3.4 	; this SHALL contain a single, valid IP address for this machine
 ;tos=lowdelay
 ;
 ; You may specify a global default AMA flag for iaxtel calls.  It must be