minor #10087 Fixed some wrong examples about service config (javiereguiluz)

This PR was merged into the 4.0 branch.

Discussion
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Fixed some wrong examples about service config

Commits
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679cc27 Fixed some wrong examples about service config

Author: javiereguiluz

service_container.rst

@@ -880,27 +880,27 @@ for classes under the same namespace:
 
 .. code-block:: yaml
 
-    # app/config/services.yml
+    # config/services.yaml
     services:
         App\Domain\:
-            resource: '../../src/Domain/*'
+            resource: '../src/Domain/*'
             # ...
 
 In order to have multiple definitions, add the ``namespace`` option and use any
 unique string as the key of each service config:
 
 .. code-block:: yaml
 
-    # app/config/services.yml
+    # config/services.yaml
     services:
         command_handlers:
             namespace: App\Domain\
-            resource: '../../src/Domain/*/CommandHandler'
+            resource: '../src/Domain/*/CommandHandler'
             tags: [command_handler]
 
         event_subscribers:
             namespace: App\Domain\
-            resource: '../../src/Domain/*/EventSubscriber'
+            resource: '../src/Domain/*/EventSubscriber'
             tags: [event_subscriber]
 
 .. _services-explicitly-configure-wire-services:

service_container/service_subscribers_locators.rst

@@ -202,15 +202,15 @@ service type to a service.
 
     .. code-block:: yaml
 
-        // app/config/services.yml
+        // config/services.yaml
         services:
             App\CommandBus:
                 tags:
                     - { name: 'container.service_subscriber', key: 'logger', id: 'monolog.logger.event' }
 
     .. code-block:: xml
 
-        <!-- app/config/services.xml -->
+        <!-- config/services.xml -->
         <?xml version="1.0" encoding="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
@@ -227,7 +227,7 @@ service type to a service.
 
     .. code-block:: php
 
-        // app/config/services.php
+        // config/services.php
         use App\CommandBus;
 
         // ...