diff --git a/test/jquery.js b/test/jquery.js
index 8ccd0ea..49dbf58 100644
--- a/test/jquery.js
+++ b/test/jquery.js
@@ -8111,7 +8111,7 @@ if ( jQuery.support.ajax ) {
 							xml;
 
 						// Firefox throws exceptions when accessing properties
-						// of an xhr when a network error occured
+						// of an xhr when a network error occurred
 						// http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
 						try {