fixes #1515

framework/yii/widgets/LinkSorter.php

@@ -63,7 +63,7 @@ class LinkSorter extends Widget
 	 */
 	protected function renderSortLinks()
 	{
-		$attributes = empty($this->atttributes) ? array_keys($this->sort->attributes) : $this->attributes;
+		$attributes = empty($this->attributes) ? array_keys($this->sort->attributes) : $this->attributes;
 		$links = [];
 		foreach ($attributes as $name) {
 			$links[] = $this->sort->link($name);