Clarify configuration file that can be misunderstood

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@101322 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/cli.conf.sample

@@ -5,7 +5,7 @@
 [startup_commands]
 ;
 ; Any commands listed in this section will get automatically executed
-; when Asterisk starts.
+; when Asterisk starts as a daemon or foreground process (-c).
 ;
 ;sip set debug on = yes
 ;core set verbose 3 = yes