discourse/app/views/users/confirm_admin.html.erb

<div id='simple-container'>
  <h2><%= t 'activation.admin_confirm.title' %></h2>
  <br/>

  <%- unless @confirmed %>
    <%=raw (t('activation.admin_confirm.description', target_username: @confirmation.target_user.username)) %>
    <br/>
    <br/>

    <%= form_tag do %>
      <%= submit_tag t('activation.admin_confirm.grant'), class: 'btn btn-primary' %>
    <% end %>
  <% else %>
    <%=raw (t('activation.admin_confirm.complete', target_username: @confirmation.target_user.username)) %>
    <br/>
    <br/>
    <%= link_to t("activation.admin_confirm.back_to", title: SiteSetting.title), Discourse.base_url, class: 'btn btn-primary' %>
  <% end %>

</div>