Enabled Disqus comments on articles of DISQUS_SITENAME property is set.
diff --git a/templates/article.html b/templates/article.html
index 627623c..25d3b3d 100644
--- a/templates/article.html
+++ b/templates/article.html
@@ -27,6 +27,22 @@
     </p>
     {% endif %}
   </div>
+
+  {% if DISQUS_SITENAME %}
+    <div class="comments">
+    <h2>Comments !</h2>
+        <div id="disqus_thread"></div>
+        <script type="text/javascript">
+           var disqus_identifier = "{{ article.url }}";
+           (function() {
+           var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+           dsq.src = 'http://{{ DISQUS_SITENAME }}.disqus.com/embed.js';
+           (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
+          })();
+        </script>
+    </div>
+    {% endif %}
+
 </article>
 {% endblock %}