[DOCS] Improved docs for installation

README.md

@@ -28,7 +28,7 @@ composer require php-http/guzzle6-adapter # if you want to use HTTPlug with Guzz
 
 ## Enable the Bundle
 
-Then, enable the bundle by adding it to the list of registered bundles in `bundles.php` file of your project:
+Then, enable the bundle by adding it to the list of registered bundles in `config/bundles.php` file of your project:
 
 ```php
 // config/bundles.php