diff --git a/index.html b/index.html
index f6685b4..f659ff4 100644
--- a/index.html
+++ b/index.html
@@ -100,6 +100,11 @@
 	      <a href="ml/"><h2>ML/AI model explorer</h2></a>
 	      <a href="msa/"><h2>Multiple Sequence Alignment</h2></a>
       </div>
+      <div id="notes">
+        <p>
+        NOTE: please click the 'Refresh Plot' and 'Reset UI Controls' buttons if the graphs take more than a few seconds to appear, or if the available positions on the UI elements do not appear correct.
+        </p>
+      </div>
     </div>
   </div>
 </body>