Merge pull request #532 from creative-commoners/pulls/5.0/cms5-readme

PHPUnit tests failed are unrelated to this PR

README.md

@@ -10,20 +10,12 @@ introspection. It layers a pluggable schema registration system on top of the
 [graphql-php](https://github.com/webonyx/graphql-php) library. The APIs are
 very similar.
 
-## This is the 4.x release branch
-
-If you are looking for version 3 [check the `3` branch](https://github.com/silverstripe/silverstripe-graphql/tree/3), which contains documentation inlined into the README.
-
-## Installing on silverstripe/recipe-cms < 4.11
-
-If your project uses `silverstripe/recipe-cms`, you cannot install the stable version 4 release. You can use version 3 (which will be installed by default), or you can swap to the alpha of version 4 by running this command:
+## Installation
 
+```sh
+composer require silverstripe/graphql
 ```
-composer require silverstripe/graphql:^4.0.0-alpha --with-all-dependencies
-```
-
-Alternatively, you can remove `silverstripe/recipe-cms` from your root `composer.json` and replace it with the contents of the `composer.json` in `silverstripe/recipe-cms`.
 
 ## Documentation
 
-See [doc.silverstripe.org](https://doc.silverstripe.org/en/4/developer_guides/graphql/).
+See [docs.silverstripe.org](https://docs.silverstripe.org/en/developer_guides/graphql/).