diff --git a/configs/extensions.conf.sample b/configs/extensions.conf.sample
index 41f582f94c..624aff8aaa 100755
--- a/configs/extensions.conf.sample
+++ b/configs/extensions.conf.sample
@@ -305,9 +305,9 @@ include => demo
 ; overlap extensions and menu options without conflict.  You can alias them with
 ; names, too and use global variables
 
-;exten => 6245,hint,SIP/Grandstream1&SIP/Xlite1
+;exten => 6245,hint,SIP/Grandstream1&SIP/Xlite1 ; Channel hints for presence
 ;exten => 6245,1,Dial(SIP/Grandstream1,20,rt)	; permit transfer
-;exten => 6245,1,Dial(${HINT},20,rtT)
+;exten => 6245,1,Dial(${HINT},20,rtT)		; Use hint as listed
 ;exten => 6361,1,Dial(IAX2/JaneDoe,,rm)		; ring without time limit
 ;exten => 6389,1,Dial(MGCP/aaln/1@192.168.0.14)
 ;exten => 6394,1,Dial(Local/6275/n)		; this will dial ${MARK}