diff --git a/UPGRADE.txt b/UPGRADE.txt
index bc78ffdf24cbe7394910031f78734c4c2e776164..36d4fb5b9fb10f620ba2aad625c63d1ff977f434 100644
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -1,3 +1,8 @@
 Information for Upgrading From Previous Asterisk Releases
 =========================================================
 
+Manager:
+
+* The CallerID fields across manager events have now been made more
+  consistent. CallerID Number will be sent as CallerIDNum and CallerID
+  Name will be sent as CallerIDName wherever used.