diff --git a/lib/util.js b/lib/util.js
index 43ddcb5..2a13d27 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -80,7 +80,7 @@ exports.freeze = function( obj )
  * normal manner when use of Object.defineProperty() is requested
  *
  * This will be set by default if the JS engine does not support the
- * Object.defineProperty method from EcmaScript 5.
+ * Object.defineProperty method from ECMAScript 5.
  *
  * @param  {boolean=}  val  value, if used as setter
  *