app/views/short_urls/show.html.erb
<%= provide(:title, @short_url.slug) %>
<h2><%= @short_url.slug %></h2>
<p>Redirects to <%= link_to @short_url.redirect, @short_url.redirect %>.</p>
<ul class="short_url--edit short_url menu">
<li>
<%= link_to 'Edit', edit_short_url_path(@short_url), class: 'button' %>
</li>
</ul>