[#7684] minor versionadded rewording

Author: xabbuh

controller.rst

@@ -452,8 +452,8 @@ read any flash messages from the session using ``app.flashes()``:
         <?php endforeach ?>
 
 .. versionadded:: 3.3
-    The ``app.flashes()`` method was introduced in Symfony 3.3. Prior to version 3.3
-    you had to use ``app.session.flashBag``.
+    The ``app.flashes()`` Twig function was introduced in Symfony 3.3. Prior,
+    you had to use ``app.session.flashBag()``.
 
 .. note::
 

quick_tour/the_controller.rst

@@ -338,8 +338,8 @@ And you can display the flash message in the template like this:
     {% endfor %}
 
 .. versionadded:: 3.3
-    The ``app.flashes()`` method was introduced in Symfony 3.3. Prior to version 3.3
-    you had to use ``app.session.flashBag``.
+    The ``app.flashes()`` Twig function was introduced in Symfony 3.3. Prior, 
+    you had to use ``app.session.flashBag()``.
 
 Final Thoughts
 --------------

session/avoid_session_start.rst

@@ -38,5 +38,5 @@ access the flash messages:
     {% endif %}
 
 .. versionadded:: 3.3
-    The ``app.flashes()`` method was introduced in Symfony 3.3. Prior to version 3.3
-    you had to use ``app.session.flashBag``.
+    The ``app.flashes()`` Twig function was introduced in Symfony 3.3. Prior, 
+    you had to use ``app.session.flashBag()``.