diff --git a/demos/addClass/default.html b/demos/addClass/default.html
index 38acd8b4ca..406466263a 100644
--- a/demos/addClass/default.html
+++ b/demos/addClass/default.html
@@ -33,7 +33,7 @@
 <div class="demo">
 
 <div class="toggler">
-	<div id="effect" class=" ui-corner-all">
+	<div id="effect" class="ui-corner-all">
 			Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede.
 	</div>
 </div>