diff --git a/online-editor.js b/online-editor.js
index 6dd1e7f..811ce53 100644
--- a/online-editor.js
+++ b/online-editor.js
@@ -297,6 +297,7 @@ class BesEditor {
     return el
   }
 
+  // TODO: Improve this function to support copied rich html content from news sites, etc.
   handleClick(e) {
     const targetEl = e.target
     const popup = document.querySelector('bes-popup-el')