Update controllers.rst

Do not add annotation routing configuration if your project uses Symfony Flex since the recipe already created the annotations.yaml file with the config inside.

Author: idetox

best_practices/controllers.rst

@@ -47,14 +47,14 @@ this suffix is neither required nor recommended, so you can safely remove it.
 Routing Configuration
 ---------------------
 
-To load routes defined as annotations in your controllers, add the following
-configuration to the main routing configuration file:
+To load routes defined as annotations in your controllers and if you are not using Symfony Flex, add the following
+configuration to the annotation routing configuration file:
 
 .. code-block:: yaml
 
-    # config/routes.yaml
+    # config/routes/annotations.yaml
     controllers:
-        resource: '../src/Controller/'
+        resource: '../../src/Controller/'
         type:     annotation
 
 This configuration will load annotations from any controller stored inside the