diff --git a/twemoji.npm.js b/twemoji.npm.js
index 736ada54..9ce9f418 100644
--- a/twemoji.npm.js
+++ b/twemoji.npm.js
@@ -449,7 +449,7 @@ 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),
@@ -592,4 +592,4 @@ var twemoji = (function (
 if (!location.protocol) {
   twemoji.base = twemoji.base.replace(/^http:/, "");
 }
-module.exports = twemoji;
\ No newline at end of file
+module.exports = twemoji;