diff --git a/twemoji.amd.js b/twemoji.amd.js
index f2a0ffbd..680bc6bd 100644
--- a/twemoji.amd.js
+++ b/twemoji.amd.js
@@ -449,7 +449,7 @@ define(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),
@@ -590,4 +590,4 @@ define(function () {
 
   }());
   return twemoji;
-});
\ No newline at end of file
+});