Fix naming

Co-Authored-By: Deuchnord <[email protected]>

Author: alanpoulain

CONTRIBUTING.md

@@ -22,7 +22,7 @@ Then, if it appears that it's a real bug, you may report it using Github by foll
 
 ### Installing the source version
 
-To install the source version of the Client Generator in your project and contribute a patch, run the following command:
+To install the source version of the API Platform Client Generator in your project and contribute a patch, run the following commands:
 
 ```console
 $ git clone [email protected]:api-platform/client-generator.git