Fixed typo in tests/view_tests/tests/test_debug.py docstring.

tests/view_tests/tests/test_debug.py

@@ -238,9 +238,8 @@ class DebugViewTests(SimpleTestCase):
     @override_settings(ROOT_URLCONF='view_tests.default_urls')
     def test_default_urlconf_template(self):
         """
-        Make sure that the default URLconf template is shown shown instead
-        of the technical 404 page, if the user has not altered their
-        URLconf yet.
+        Make sure that the default URLconf template is shown instead of the
+        technical 404 page, if the user has not altered their URLconf yet.
         """
         response = self.client.get('/')
         self.assertContains(