README.md in fcm-2.0.0 vs README.md in fcm-2.0.1

@@ -272,9 +272,12 @@
 
 The guide to set up an iOS app to get notifications is here: [Setting up a FCM Client App on iOS](https://firebase.google.com/docs/cloud-messaging/ios/client).
 
 ## ChangeLog
 
+### 2.0.1
+- Add `http_options` to `initialize` method and whitelist `timeout` option
+
 ### 2.0.0
 #### Breaking Changes
 - Remove deprecated `API_KEY`
 - Remove deprecated `send` method
 - Remove deprecated `send_with_notification_key` method