diff --git a/index.html b/index.html
index 65ec8dc..656cdfa 100644
--- a/index.html
+++ b/index.html
@@ -523,7 +523,7 @@
           </li>
       </ul>
         <ul class="toc-footer">
-            <li><a href='https://commerce.coinbase.com/checkout/aadf6aa9-fa06-4a7f-b4b2-3ca868b86b9a'>If you have money to spare...</a></li>
+            <li><script type='text/javascript' src='https://storage.ko-fi.com/cdn/widget/Widget_2.js'></script><script type='text/javascript'>kofiwidget2.init('Help me pay the bills!', '#eb145f', 'H2H1VDYEI');kofiwidget2.draw();</script></li>
         </ul>
     </div>
     <div class="page-wrapper">