anchor.diff:          <% end %>
   
           <h3>Alerting Checks</h3>
  -        <p>These failing checks are currently alerting because they are not acknowledged, not in scheduled maintenance, and currently allowed by this contact's notification rules.</p>
  +        <p>Failing checks are those which are alerting because they are not acknowledged, not in scheduled maintenance, and currently allowed by this contact's notification rules.</p>
   
  -        <table class="table table-bordered table-hover table-condensed">
  -          <tr>
  -            <th>Media</th>
  -            <th>Alerting Checks</th>
  -          </tr>
  -          <% alerting.each_pair do |media, checks| %>
  -            <% if checks.length > 0 %>
  -              <tr>
  -                <td><%= h media.capitalize %></td>
  -                <td>
  -                  <% checks.each do |entity_check| %>
  -                    <% entity, check = entity_check.split(':', 2) %>
  -                    <% check_link = "<a href=\"/check?entity=#{u(entity)}&amp;check=#{u(check)}\" title=\"check status\">" +
  -                       h(check) + "</a>"%>
  -                    <a href="/entity/<%= u(entity) %>" title="entity status"><%= h entity %></a> ::
  -                    <%= check_link %> <br />
  -                  <% end %>
  -                </td>
  -              </tr>
  -            <% else %>
  -              <tr><td colspan="2">No alerting checks, yay!</td></tr>
  +        <% if alerting.empty? %>
  +          <p><em>There are no currently alerting checks.</em></p>
  +        <% else %>
  +          <table class="table table-bordered table-hover table-condensed">
  +            <tr>
  +              <th>Media</th>
  +              <th>Alerting Checks</th>
  +            </tr>
  +            <% alerting.each_pair do |media, checks| %>
  +              <% if checks.length > 0 %>
  +                <tr>
  +                  <td><%= h media.capitalize %></td>
  +                  <td>
  +                    <% checks.each do |entity_check| %>
  +                      <% entity, check = entity_check.split(':', 2) %>
  +                      <% check_link = "<a href=\"/check?entity=#{u(entity)}&amp;check=#{u(check)}\" title=\"check status\">" +
  +                         h(check) + "</a>"%>
  +                      <a href="/entity/<%= u(entity) %>" title="entity status"><%= h entity %></a> ::
  +                      <%= check_link %> <br />
  +                    <% end %>
  +                  </td>
  +                </tr>
  +              <% end %>
               <% end %>
  -          <% end %>
  -        </table>
  +          </table>
  +        <% end %>
   
           <h3>All Entities and Checks</h3>
           <% if !@entities_and_checks || @entities_and_checks.empty? %>
  
positive.code:               <th>Summary Threshold</th>
              </tr>
              <% @contact.media.each_pair do |mk, mv| %>
                <% alerting[mk] = @contact.alerting_checks_for_media(mk) %>
                <tr>
                  <% if 'pagerduty'.eql?(mk) %>
                    <td>PagerDuty</td>
  
negative.code:                     <% end %>
                    </td>
                    <td>
                      <% rollup_threshold = @contact.media_rollup_thresholds[mk] %>
                      <% num_alerting = alerting[mk].nil? ? 0 : alerting[mk].length %>
                      <% if rollup_threshold.nil? || (num_alerting < rollup_threshold.to_i) %>
                        No -
                      <% else %>
                        Yes -
                      <% end %>
                      <%= num_alerting %> alerting
                    </td>
                    <td>
                      <% if rollup_threshold.nil? %>
                        -
                      <% else %>
                        <%= h rollup_threshold %>
                      <% end %>
                    </td>
                  <% end %>
  