diff --git a/plugins/reveal.js b/plugins/reveal.js
index 8011039..c7f91a7 100644
--- a/plugins/reveal.js
+++ b/plugins/reveal.js
@@ -38,6 +38,8 @@ class Reveal {
           transition: 'none'
         });
 
+        // This is a workaround to disable the open button of the RevealMenu plugin.
+        // See the following issue for more details: https://github.com/denehyg/reveal.js-menu/issues/99
         var menuOpenButtons = document.getElementsByClassName('slide-menu-button');
         for (var i = 0; i < menuOpenButtons.length; i++) {
           menuOpenButtons[i].style.display = 'none';