discourse/app/views/users_email/confirm.html.erb

<div id="simple-container">
  <% if @update_result == :authorizing_new %>
    <h2><%= t 'change_email.authorizing_old.title' %></h2>
    <br>
    <p><%= t 'change_email.authorizing_old.description' %></p>
  <% elsif @update_result == :complete %>
    <h2><%= t 'change_email.confirmed' %></h2>
    <br>
    <a class="btn" href="/"><%= t('change_email.please_continue', site_name: SiteSetting.title) %></a>
  <% else %>
    <div class='alert alert-error'>
      <%=t 'change_email.already_done' %>
    </div>
  <% end %>
</div>