Fixed typo (#2878)

Author: mnocon

docs/administration/project_organization/architecture.md

@@ -17,7 +17,7 @@ The architecture of [[= product_name =]] is layered and uses clearly defined API
 | Layer                                               | Description                                                                                                                                                                                    |
 |-----------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [Back office](back_office_configuration.md)         | Back office contains all the necessary parts to run the [[= product_name =]] back office interface.                                                                                            |
-| [HTTP Cache](http_cache.md))                        | Symfony HTTP cache is used to manage content "view" cache with an expiration model. In addition it is extended by using FOSHttpCache to add several advanced features.                         |
+| [HTTP Cache](http_cache.md)                         | Symfony HTTP cache is used to manage content "view" cache with an expiration model. In addition it is extended by using FOSHttpCache to add several advanced features.                         |
 | [Controllers](controllers.md)                       | Controllers created by you to read information from a Request object, create and return a Response objects.                                                                                    |
 | [Twig templates](twig_function_reference.md)        | Set of custom and built-in Twig templates. User interfaces are developed with the Twig template engine and query the public PHP API directly.                                                  |
 | [REST API v2](rest_api_usage.md)                    | The REST API v2 enables you to interact with an [[= product_name =]] installation through the HTTP protocol, following a REST interaction model.                                                 |