Merge branch '2.8' into 3.4

* 2.8:
  Fix grammar error
  Document logout success_handler configuration
  Update IsTrue.rst

Author: javiereguiluz

http_cache/esi.rst

@@ -95,7 +95,7 @@ First, to use ESI, be sure to enable it in your application configuration:
 
 Now, suppose you have a page that is relatively static, except for a news
 ticker at the bottom of the content. With ESI, you can cache the news ticker
-independent of the rest of the page::
+independently of the rest of the page::
 
     // src/AppBundle/Controller/DefaultController.php
 
@@ -158,7 +158,7 @@ used ``render()``.
     specification that is supported out of the box by the Symfony reverse
     proxy.
 
-The embedded action can now specify its own caching rules, entirely independent
+The embedded action can now specify its own caching rules entirely independently
 of the master page::
 
     // src/AppBundle/Controller/NewsController.php

reference/configuration/security.rst

@@ -173,6 +173,14 @@ The user is considered to have changed when the user class implements
 required by the :class:`Symfony\\Component\\Security\\Core\\User\\UserInterface`
 (like the username, password or salt) changes.
 
+success_handler
+~~~~~~~~~~~~~~~
+
+**type**: ``string`` **default**: ``'security.logout.success_handler'``
+
+The service ID used for handling a successful logout. The service must implement
+:class:`Symfony\\Component\\Security\\Http\\Logout\\LogoutSuccessHandlerInterface`.
+
 .. _reference-security-ldap:
 
 LDAP functionality

reference/constraints/IsTrue.rst

@@ -13,9 +13,9 @@ Also see :doc:`IsFalse <IsFalse>`.
 | Options        | - `message`_                                                        |
 |                | - `payload`_                                                        |
 +----------------+---------------------------------------------------------------------+
-| Class          | :class:`Symfony\\Component\\Validator\\Constraints\\True`           |
+| Class          | :class:`Symfony\\Component\\Validator\\Constraints\\IsTrue`         |
 +----------------+---------------------------------------------------------------------+
-| Validator      | :class:`Symfony\\Component\\Validator\\Constraints\\TrueValidator`  |
+| Validator      | :class:`Symfony\\Component\\Validator\\Constraints\\IsTrueValidator`|
 +----------------+---------------------------------------------------------------------+
 
 Basic Usage