Updating link to the :data selector.

Author: tjvantoll

entries/jQuery.widget.xml

@@ -93,7 +93,7 @@
 				$( "#elem" ).data( "ui-progressbar" );
 			</code></pre>
 
-			<p>Whether an element has a given widget bound to it can be determined using the <a href="data-selector"><code>:data</code></a> selector.</p>
+			<p>Whether an element has a given widget bound to it can be determined using the <a href="/data-selector"><code>:data</code></a> selector.</p>
 
 			<pre><code>
 				$( "#elem" ).is( ":data( 'ui-progressbar' )" ); // true