<% @award_string = "<span>Award:</span>".html_safe %>
<% unless contributors.nil? || contributors.length < 1 %>
  <h3 class="o-heading__level2">Funding</h3>
  <% contributors.each do |contributor| %>
     <p><%= contributor.contributor_name %>
      <% if contributor.award_number %>
        <%= @award_string %><%= contributor.award_number %></p>
      <% end %>
  <% end %>
<% end %>
<% @award_string = "<span>, Award: </span>".html_safe %>
<% unless contributors.nil? || contributors.length < 1 %>
  <h3 class="o-heading__level2">Funding</h3>
  <% contributors.each do |contributor| %>
     <p><%= contributor.contributor_name %>
      <% if contributor.award_number.present? %>
        <%= @award_string %><%= contributor.award_number %></p>
      <% end %>
  <% end %>
<% end %>
Add ',' after funder name
Add ',' after funder name
