                  template_name='polls/index.html')),
          url(r'^(?P<pk>\d+)/$',
              DetailView.as_view(
                  model=Poll,
                  template_name='polls/detail.html')),
          url(r'^(?P<pk>\d+)/results/$',
              DetailView.as_view(
                  model=Poll,
                  template_name='polls/results.html'),
              name='poll_results'),
 
</s> remove                 template_name='polls/index.html')),
 </s> add                 template_name='polls/index.html'),
            name='poll_index'), </s> remove * We've added a name, ``poll_results``, to the results view so
  that we have a way to refer to its URL later on (see the
 </s> add * We've added the ``name`` argument to the views (e.g. ``name='poll_results'``)
  so that we have a way to refer to their URL later on (see the </s> remove     <a href="/polls/{{ poll.id }}/">Vote again?</a>
 </s> add     <a href="{% url 'polls.views.detail' poll.id %}">Vote again?</a> </s> remove * We set the form's ``action`` to ``/polls/{{ poll.id }}/vote/``, and we
 </s> add * We set the form's ``action`` to ``{% url 'polls.views.vote' poll.id %}``, and we
                template_name='polls/detail.html'),
            name='poll_detail'),
                  template_name='polls/index.html')),
          url(r'^(?P<pk>\d+)/$',
              DetailView.as_view(
                  model=Poll,
                template_name='polls/detail.html'),
            name='poll_detail'),
          url(r'^(?P<pk>\d+)/results/$',
              DetailView.as_view(
                  model=Poll,
                  template_name='polls/results.html'),
              name='poll_results'),
keep keep keep keep replace keep keep keep keep keep
 Fixed #18476 - Added use of {% url %} tag to tutorial.

Thanks Claude Paroz for the patch. 
docs/intro/tutorial04.txt