diff --git a/twemoji.js b/twemoji.js
index 3cee6f2f..f7a897bd 100644
--- a/twemoji.js
+++ b/twemoji.js
@@ -448,7 +448,7 @@ var twemoji = (function (
       // verify the variant is not the FE0E one
       // this variant means "emoji as text" and should not
       // require any action/replacement
-      // http://unicode.org/Public/UNIDATA/StandardizedVariants.html
+      // http://www.unicode.org/Public/4.1.0/ucd/StandardizedVariants.html
       if (variant !== '\uFE0E') {
         src = options.callback(
           grabTheRightIcon(icon, variant),