app/views/user_stories/_show_acceptance_criteria.html.erb
<div class="block acceptance_criteria">
<h3>Acceptance Criteria (<%= user_story.acceptance_criteria.size %>) </h3>
<% if user_story.acceptance_criteria.blank? %>
<p>There are no acceptance criteria for this user story</p>
<% else %>
<ol>
<% user_story.acceptance_criteria.each do |crit| %>
<li><%= h crit.detail %></li>
<% end %>
</ol>
<% end %>
</div>