corrected translation doc

doc/providers/translation.rst

@@ -128,7 +128,9 @@ And that's all you need to load translations from YAML files.
 XLIFF-based language files
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Just as you would do with YAML translation files, you first need to make sure you have the ``Config`` component from Symfony2, and that they are registered with the autoloader. See above for details.
+Just as you would do with YAML translation files, you first need to make
+sure you have the ``Config`` component from Symfony2, and that they are
+registered with the autoloader. See above for details.
 
 Then, similarly, create XLIFF files in your locales directory and setup the ``translator.messages`` to map to them.
 
@@ -142,7 +144,16 @@ That's it.
 Adding translations in Twig templates
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The translation service provider is available from within Twig templates:
+Once loaded, the translation service provider is available from within Twig templates:
 
-.. code-block:: twig
+.. code-block:: jinja
     {{ app.translator.trans('translation_key') }}
+
+Even better: register the SymfonyBridgesServiceProvider and you will get
+the TranslationExtension of the bridge allowing you to translate things in
+the Twig way:
+
+.. code-block:: jinja
+    {{ 'translation_key'|trans }}
+    {{ 'translation_key'|transchoice }}
+    {% trans %}translation_key{% endtrans %}