Minor copy update

Author: stefangabos

README.md

@@ -77,7 +77,7 @@ Alternatively, you can load Zebra Tooltips from [JSDelivr CDN](https://www.jsdel
 
 <!-- for a specific version -->
 <script
-  src="https://cdn.jsdelivr.net/npm/zebra_tooltips@1.3.1/dist/zebra_tooltips.min.js"></script>
+  src="https://cdn.jsdelivr.net/npm/zebra_tooltips@2.0.4/dist/zebra_tooltips.min.js"></script>
 
 <!-- replacing "min" with "src" will serve you the non-compressed version -->
 ```