Update README.md

Author: nicolas-van

README.md

@@ -20,10 +20,6 @@ This library is a modernized alternative to a lot of libraries like [Async.js](h
 
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-## This project accepts feature requests !
-
-The goal of modern-async is to be as complete as possible. I coded everything I missed in the past while developing, yet it's difficult to know what other people would really need. So if you would like some more feature [the issue tracker is available](https://github.com/nicolas-van/modern-async/issues/new/choose). (Read also [the contribution guide](https://github.com/nicolas-van/modern-async/blob/master/CONTRIBUTING.md)).
-
 ## Installation
 
 ```bash
@@ -47,6 +43,10 @@ console.log(result)
 
 [See the documentation for the rest](https://nicolas-van.github.io/modern-async).
 
+## Migrating from version 1.X to version 2.X
+
+[See the migration guide](https://github.com/nicolas-van/modern-async/blob/master/version-1-to-2-guide.md).
+
 ## Changelog
 
 [The changelog](https://github.com/nicolas-van/modern-async/blob/master/CHANGELOG.md).