<header>
  <h1>
    <span class="strapline">Service Performance</span>
    <%= title %>
  </h1>
  <% if copy %>
      <p class="explanatory"><%= copy %></p>
  <% end %>
</header>
<header>
  <h1>
    <span class="strapline">Service performance</span>
    <%= title %>
  </h1>
  <% if copy %>
      <p class="explanatory"><%= copy %></p>
  <% end %>
</header>
Correct case of "Service Performance"
Correct case of "Service Performance"

Before Ed and Michael start yelling.
