Fixed a broken reference

Author: mitsuhiko

docs/integrations/angular.rst

@@ -6,7 +6,7 @@ AngularJS
 
 To use Sentry with your Angular application, you will need to use both Raven.js (Sentry's browser JavaScript SDK) and the Raven.js Angular plugin.
 
-On its own, Raven.js will report any uncaught exceptions triggered from your application. For advanced usage examples of Raven.js, please read :doc:`Raven.js usage <usage>`.
+On its own, Raven.js will report any uncaught exceptions triggered from your application. For advanced usage examples of Raven.js, please read :doc:`Raven.js usage <../usage>`.
 
 Additionally, the Raven.js Angular plugin will catch any Angular-specific exceptions reported through Angular's ``$exceptionHandler`` interface.