diff --git a/js-types-n-oop.js b/js-types-n-oop.js
index 0693005..5b1c775 100755
--- a/js-types-n-oop.js
+++ b/js-types-n-oop.js
@@ -86,7 +86,7 @@
 // CPU to the high-level languages.
 //
 // For more details see:
-// 	XXX
+// 	https://en.wikipedia.org/wiki/IEEE_754-2008_revision
 
 
 // Strings