changes.txt in intercom-2.2.0 vs changes.txt in intercom-2.2.1

@@ -1,4 +1,8 @@
+2.2.1
+ - Webhook Notification support
+ - Webhook Subscription support
+
 2.2.0
  - Handle blanks on identity attributes (e.g. email) better.
 
 2.1.6
  - Add handling for service unavailable exceptions