diff --git a/app/templates/layout.html b/app/templates/layout.html
index d3dab14..0f7774d 100644
--- a/app/templates/layout.html
+++ b/app/templates/layout.html
@@ -62,6 +62,9 @@
         <div>
             Runs a modified version of <a href="https://microblog.pub/" target="_blank">microblog.pub</a>. Supports <a href="https://activitypub.rocks/" target="_blank">ActivityPub</a>!
         </div>
+        <div>
+            Modified source code at: <a href="https://github.com/zpl-zak/microblog_pub_mirror" target="_blank">GitHub mirror</a>.
+        </div>
     {% endif %}
     </div>
 </footer>