diff --git a/CHANGES b/CHANGES
index 884714e36c..08551c2b75 100644
--- a/CHANGES
+++ b/CHANGES
@@ -44,6 +44,8 @@ SIP Changes
  * The parsing of register => lines in sip.conf has been modified to allow a port
    to be present in the "user" portion. Please see the sip.conf.sample file for more
    information
+ * Added a function to remove SIP headers added in the dialplan before the
+   first INVITE is generated - SIPRemoveHeader()
 
 Skinny Changes
 --------------
diff --git a/CREDITS b/CREDITS
index 004ba63347..85efe2279b 100644
--- a/CREDITS
+++ b/CREDITS
@@ -192,6 +192,8 @@ Sergey Tamkovich - Realtime support for MusicOnHold, store and destroy realtime
 	- See http://voip-info.org/users/view/sergee
 	serg(AT)voipsolutions.ru
 
+Klaus Darillon - the SIPremoveHeader function in chan_sip
+
 === OTHER CONTRIBUTIONS ===
 John Todd - Monkey sounds and associated teletorture prompt
 Michael Jerris - bug marshaling