Typo fix in docs

Author: Singletoned

docs/tutorial/tutorial_02.rst

@@ -50,7 +50,7 @@ Testing your API
 Time to make requests to your API.
 
 For a quick test, try accessing your app at the url `/api/hello` with your browser
-and verify that it reponds with a `403` (infact no `HTTP_AUTHORIZATION` header was provided).
+and verify that it reponds with a `403` (in fact no `HTTP_AUTHORIZATION` header was provided).
 You can test your API with anything can perform HTTP requests, but for this tutorial you can use the online
 `consumer client <http://django-oauth-toolkit.herokuapp.com/consumer/client>`_.
 Just fill the form with the URL of the API endpoint (i.e. http://localhost:8000/api/hello if you're on localhost) and