Update docu

Fix #586

README.md

@@ -84,7 +84,9 @@ var d = LocalDate.parse('2012-12-24').atStartOfDay().plusMonths(2); // 2013-02-2
 
 ### Browser
 
-To use js-joda from a browser, download either `dist/js-joda.min.js` or `dist/js-joda.js` (with sourcemaps for development). Then add it as a script tag to your page
+To use js-joda from a browser, download js-joda from a cdn (eg https://cdn.jsdelivr.net/npm/@js-joda/core@<version>) 
+either `dist/js-joda.min.js` or `dist/js-joda.js` (with sourcemaps for development). 
+Then add it as a script tag to your page
 
 ```html
 <script src="js-joda.min.js"></script>