Widget demo: Fixed typo.

(cherry picked from commit a0eb042)

Author: scottgonzalez

demos/widget/default.html

@@ -171,7 +171,7 @@
 	<div id="my-widget1">color me</div>
 	<div id="my-widget2">color me</div>
 	<div id="my-widget3">color me</div>
-	<button id="disable">Toglge disabled option</button>
+	<button id="disable">Toggle disabled option</button>
 	<button id="black">Go black</button>
 </div>