diff --git a/UPGRADE.txt b/UPGRADE.txt
index b40ea7fe1306ea6549868489a909c93c6b7e7814..9c67ec02beefd967dcb88c8a48effa0657989df5 100755
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -160,6 +160,9 @@ AGI:
   at the end of AGI being called (e.g. on a hangup) then set SIGHUP to 
   be ignored within your application.
 
+* CallerID is reported with agi_callerid and agi_calleridname instead
+  of a single parameter holding both.
+
 Music On Hold:
 
 * The preferred format for musiconhold.conf has changed; please see the