Merged revisions 181499 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

Provide correct hint to debug SIP trouble in the default config
(closes issue #14646)
Reported by: strk


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@181509 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/sip.conf.sample

@@ -46,7 +46,7 @@
 ;   sip show users               Show all SIP users (including friends)
 ;   sip show registry            Show status of hosts we register with
 ;
-;   sip set debug                Show all SIP messages
+;   sip set debug on             Show all SIP messages
 ;
 ;   module reload chan_sip.so    Reload configuration file
 ;                                Active SIP peers will not be reconfigured