Merge branch '4.3' into 4.4

* 4.3:
  Minor fix
  Add note on Apache issue with FallbackResource
  [#12336] fix a minor typo

Author: javiereguiluz

routing.rst

@@ -39,7 +39,7 @@ following configuration file:
         resource: '../src/Controller/'
         type:     annotation
 
-This configuration tells Symfony to looks for routes defined as annotations in
+This configuration tells Symfony to look for routes defined as annotations in
 any PHP class stored in the ``src/Controller/`` directory.
 
 Suppose you want to define a route for the ``/blog`` URL in your application. To

setup/web_server_configuration.rst

@@ -124,6 +124,11 @@ and increase web server performance:
         #SetEnv DATABASE_URL "mysql://db_user:db_pass@host:3306/db_name"
     </VirtualHost>
 
+.. caution::
+
+    Use ``FallbackResource`` on Apache 2.4.25 or higher, due to a bug which was
+    fixed on that release causing the root ``/`` to hang.
+
 .. tip::
 
     If you are using **php-cgi**, Apache does not pass HTTP basic username and