Fixed #6998 -- Corrected typo in Tutorial 4. Thanks, Peter Upfold.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7410 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/tutorial04.txt

@@ -266,7 +266,7 @@ from ``polls/views.py``. We don't need them anymore -- they have been replaced
 by generic views.
 
 The ``vote()`` view is still required. However, it must be modified to match
-the new context variables. In the ``render_to_repsonse()`` call, rename the
+the new context variables. In the ``render_to_response()`` call, rename the
 ``poll`` context variable to ``object``.
 
 The last thing to do is fix the URL handling to account for the use of generic