app/views/admin/tags/_notes.html.erb
<h2>Notes</h2>
<div class="btn-toolbar">
<div class="btn-group">
<%= link_to 'New note', new_admin_note_path(notable_tag: @tag), class: 'btn' %>
</div>
</div>
<% if @notes.empty? %>
<p>No notes.</p>
<% else %>
<%= render partial: 'tagging', collection: @notes %>
<% end %>