diff --git a/articles/templates/articles/article_change_form.html b/articles/templates/articles/article_change_form.html
index cb32e15..520b558 100644
--- a/articles/templates/articles/article_change_form.html
+++ b/articles/templates/articles/article_change_form.html
@@ -2,6 +2,6 @@
 
 {% block object-tools-items %}
     <li><a href="{{ original.draft_public_url }}" class="historylink" target="_blank">Public draft</a></li>
-    <li><a href="https://www.markdownguide.org/cheat-sheet/" class="historylink" target="_blank">Markdown cheat sheet</a></li>
+    <li><a href="https://python-markdown.github.io/" class="historylink" target="_blank">Markdown cheat sheet</a></li>
     {{ block.super }}
 {% endblock %}