README.md in reek-5.6.0 vs README.md in reek-6.0.0

@@ -43,16 +43,10 @@
 * [![Code Climate](https://codeclimate.com/github/troessner/reek/badges/gpa.svg)](https://codeclimate.com/github/troessner/reek)
 * [![codebeat](https://codebeat.co/badges/42fed4ff-3e55-4aed-8ecc-409b4aa539b3)](https://codebeat.co/projects/github-com-troessner-reek)
 * ![](http://ruby-gem-downloads-badge.herokuapp.com/reek?type=total)
 * ![](http://ruby-gem-downloads-badge.herokuapp.com/reek?label=downloads-current-version)
 
-## Reek 5 is out!
-
-Reek 5 is out and with it a bunch of breaking changes. If you're a new user you can just
-continue with the quickstart below. If you're a Reek 4 user and would like to upgrade to 5, don't
-worry, this shouldn't take you more than 10 minutes. Check out our [Upgrade Guide](docs/Reek-4-to-Reek-5-migration.md).
-
 ## Quickstart
 
 Reek is a tool that examines Ruby classes, modules and methods and reports any
 [Code Smells](docs/Code-Smells.md) it finds.
 
@@ -98,10 +92,10 @@
   [5]:UncommunicativeVariableName: Smelly#x has the variable name 'y'
 ```
 
 ## Supported Ruby versions
 
-Reek is officially supported for CRuby 2.3 to 2.6 and for JRuby 9.1 and 9.2.
+Reek is officially supported for CRuby 2.4 to 2.7 and for JRuby 9.2.
 Other Ruby implementations (like Rubinius) are not officially supported but
 should work as well.
 
 Note that, on each Ruby version, Reek will use the parser for that version of
 Ruby. So, you should always run Reek using one of your project's target Ruby