diff --git a/src/intro.js b/src/intro.js
index 5f495ad0f..417c61aab 100644
--- a/src/intro.js
+++ b/src/intro.js
@@ -12,7 +12,7 @@
  * Date: @DATE
  */
 
-(function ( window, factory ) {
+(function( global, factory ) {
 
 	if ( typeof module === "object" && typeof module.exports === "object" ) {
 		// For CommonJS and CommonJS-like environments where a proper window is present,
@@ -22,20 +22,20 @@
 		// This accentuates the need for the creation of a real window
 		// e.g. var jQuery = require("jquery")(window);
 		// See ticket #14549 for more info
-		module.exports = window.document ?
-			factory( window ) :
+		module.exports = global.document ?
+			factory( global ) :
 			function( w ) {
 				if ( !w.document ) {
-					throw new Error("jQuery requires a window with a document");
+					throw new Error( "jQuery requires a window with a document" );
 				}
 				return factory( w );
 			};
 	} else {
-		factory( window );
+		factory( global );
 	}
 
 // Pass this, window may not be defined yet
-}(this, function ( window ) {
+}(this, function( window ) {
 
 // Can't do this because several apps including ASP.NET trace
 // the stack via arguments.caller.callee and Firefox dies if