Minor tweak

Author: javiereguiluz

templates.rst

@@ -423,7 +423,7 @@ the :class:`Twig\\Environment` class::
 
     // src/Service/SomeService.php
     namespace App\Service;
-    
+
     use Twig\Environment;
 
     class SomeService
@@ -573,13 +573,14 @@ errors. It's useful to run it before deploying your application to production
     $ php bin/console lint:twig templates/email/
     $ php bin/console lint:twig templates/article/recent_list.html.twig
 
-    # you can show deprecations as errors
+    # you can also show the deprecated features used in your templates
     $ php bin/console lint:twig --show-deprecations templates/email/
 
 .. versionadded:: 4.4
 
     The feature that checks all the application templates when not passing any
-    arguments to ``lint:twig`` was introduced in Symfony 4.4.
+    arguments to ``lint:twig`` and the ``--show-deprecations`` option were
+    introduced in Symfony 4.4.
 
 Inspecting Twig Information
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~