Minor reword

Author: javiereguiluz

components/mime.rst

@@ -276,7 +276,7 @@ that extension to improve the guessing performance.
 Adding a MIME Type Guesser
 ..........................
 
-You can write your own MIME type guesser by creating a class that implements
+You can add your own MIME type guesser by creating a class that implements
 :class:`Symfony\\Component\\Mime\\MimeTypeGuesserInterface`::
 
     namespace App;
@@ -300,54 +300,11 @@ You can write your own MIME type guesser by creating a class that implements
         }
     }
 
-And registering it::
-
-    $mimeTypes = new MimeTypes();
-    $mimeTypes->registerGuesser(new SomeMimeTypeGuesser());
-
-When using the Symfony fullstack Framework, you just need to add the ``mime.mime_type_guesser`` tag:
-
-.. configuration-block::
-
-    .. code-block:: yaml
-
-        # config/services.yaml
-        services:
-            App\SomeMimeTypeGuesser:
-                tags: [mime.mime_type_guesser]
-
-    .. code-block:: 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"
-            xsi:schemaLocation="http://symfony.com/schema/dic/services
-                https://symfony.com/schema/dic/services/services-1.0.xsd">
-
-            <services>
-                <service id="App\SomeMimeTypeGuesser">
-                     <tag name="mime.mime_type_guesser"/>
-                </service>
-            </services>
-        </container>
-
-    .. code-block:: php
-
-        // config/services.php
-        namespace Symfony\Component\DependencyInjection\Loader\Configurator;
-
-        use App\SomeMimeTypeGuesser;
-
-        return function(ContainerConfigurator $configurator) {
-            $services = $configurator->services();
-
-            $services->set(SomeMimeTypeGuesser::class)
-                ->tag('mime.mime_type_guesser');
-        };
-
-Note that this is already done for you if you use the :ref:`default services.yaml configuration <service-container-services-load-example>`
-thanks to :ref:`autoconfigure <services-autoconfigure>`.
+MIME type guessers must be :ref:`registered as services <service-container-creating-service>`
+and :doc:`tagged </service_container/tags>` with the ``mime.mime_type_guesser`` tag.
+If you're using the
+:ref:`default services.yaml configuration <service-container-services-load-example>`,
+this is already done for you, thanks to :ref:`autoconfiguration <services-autoconfigure>`.
 
 .. _`MIME`: https://en.wikipedia.org/wiki/MIME
 .. _`MIME types`: https://en.wikipedia.org/wiki/Media_type