app/views/activity_items/items/_close.html.erb
<h2>This need was closed as a duplicate</h2>
<% if canonical_need = Need.where(id: item.data.snapshot['canonical_need_id']).first %>
<p class="note">
This need was marked as a duplicate of <%= link_to "#{canonical_need.id}: #{canonical_need.goal}", need_path(canonical_need) %>
</p>
<% end %>