Darn, I just saw this after merging.. will fix


2013/7/24 Gael Varoquaux <notifications@github.com>

> In examples/cluster/plot_ward_structured_vs_unstructured.py:
>
> > @@ -4,9 +4,9 @@
> >  ===========================================================
> >
> >  Example builds a swiss roll dataset and runs
> > -:ref:`hierarchical_clustering` on their position.
> > +hierarchical clustering on their position.
>
> Actually, before merging, could you please add these links back, but not
> in the first paragraph. For instance by adding one line after that first
> paragraph that explicitly says 'For more discussion, please look at the
> documentation on :ref:...'
>
> —
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> .
>