diff --git a/src/serialize.js b/src/serialize.js
index fc1b4dfdf..0d6dfec6d 100644
--- a/src/serialize.js
+++ b/src/serialize.js
@@ -88,7 +88,7 @@ jQuery.fn.extend({
 		.filter(function() {
 			var type = this.type;
 
-			// Use .is( ":disabled" ) so that fieldset[ disabled ] works
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
 			return this.name && !jQuery( this ).is( ":disabled" ) &&
 				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
 				( this.checked || !rcheckableType.test( type ) );