README.md in ahoy_email-0.1.3 vs README.md in ahoy_email-0.1.4

@@ -8,10 +8,12 @@
 - Open and click tracking
 - Easy UTM tagging
 
 Works with any email service.
 
+:bullettrain_side: To manage email subscriptions, check out [Mailkick](https://github.com/ankane/mailkick)
+
 :fire: To track visits and events, check out [Ahoy](https://github.com/ankane/ahoy) and [Ahoy Events](https://github.com/ankane/ahoy_events).
 
 ## Installation
 
 Add this line to your application’s Gemfile:
@@ -189,15 +191,9 @@
 Use a different model
 
 ```ruby
 AhoyEmail.message_model = UserMessage
 ```
-
-## TODO
-
-- Add tests
-- Open and click hooks for deeper analytics
-- Subscription management (lists, opt-outs) [separate gem]
 
 ## History
 
 View the [changelog](https://github.com/ankane/ahoy_email/blob/master/CHANGELOG.md)