diff --git a/mellon/templates/mellon/authentication_failed.html b/mellon/templates/mellon/authentication_failed.html
index 19200a7..39a0b25 100644
--- a/mellon/templates/mellon/authentication_failed.html
+++ b/mellon/templates/mellon/authentication_failed.html
@@ -18,22 +18,12 @@
     <a class="mellon-link" href="{{ next_url }}">{% trans "Continue" %}</a>
   </p>
   {% if debug %}
-    <dl id="mellon-authentication-failure-details">
-      <dt class="mellon-issuer">{% trans "Issuer" %}</dt>
-      <dd class="mellon-issuer"><tt>{{ issuer }}</tt></dd>
-      {% if status_message %}
-        <dt class="mellon-status-message">{% trans "Message" %}</dt>
-        <dd class="mellon-status-message">{{ status_message }}</dd>
-      {% endif %}
-      {% if status_codes %}
-        <dt class="mellon-status-codes">{% trans "Codes" %}</dt>
-        <dd class="mellon-status-codes"><tt>{{ status_codes|join:", " }}</tt></dd>
-      {% endif %}
-      {% if relaystate %}
-        <dt class="mellon-relaystate">{% trans "Relaystate" %}</dt>
-        <dd class="mellon-relaystate"><tt>{{ relaystate }}</tt></dd>
-      {% endif %}
-    </dl>
+  <!-- DEBUG INFO:
+       Issuer: {{ issuer }}
+       Message: {{ status_message }}
+       Status codes: {{ status_codes|join:", " }}
+       Relaystate: {{ relaystate }}
+  -->
   {% endif %}
 </div>
 {% endblock %}