@@ -24,7 +24,7 @@ The Symfony2 Event Dispatcher component implements the `Observer`_ pattern in
2424a simple and effective way to make all these things possible and to make your
2525projects truly extensible.
2626
27- Take a simple example from the` Symfony2 HttpKernel component `_ . Once a
27+ Take a simple example from the:doc: ` /components/http_kernel/introduction ` . Once a
2828``Response `` object has been created, it may be useful to allow other elements
2929in the system to modify it (e.g. add some cache headers) before it's actually
3030used. To make this possible, the Symfony2 kernel throws an event -
@@ -487,7 +487,6 @@ Now, any listeners to ``store.order`` that have not yet been called will *not*
487487be called.
488488
489489.. _Observer :http://en.wikipedia.org/wiki/Observer_pattern
490- .. _`Symfony2 HttpKernel component` :https://github.com/symfony/HttpKernel
491490.. _Closures :http://php.net/manual/en/functions.anonymous.php
492491.. _PHP callable :http://www.php.net/manual/en/language.pseudo-types.php#language.types.callback
493492.. _Packagist :https://packagist.org/packages/symfony/event-dispatcher