Fixed comments.

module/VuFind/src/VuFind/Controller/HierarchyController.php

@@ -74,8 +74,7 @@ class HierarchyController extends AbstractBase
      * Search the tree and echo a json result of items that
      * matched the keywords.
      *
-     * @return void
-     * @access public
+     * @return \Zend\Http\Response
      */
     public function searchtreeAction()
     {

module/VuFind/src/VuFind/Hierarchy/TreeDataSource/AbstractBase.php

@@ -73,7 +73,6 @@ abstract class AbstractBase implements \Zend\Log\LoggerAwareInterface
      * @param string $msg Message to display
      *
      * @return void
-     * @access protected
      */
     protected function debug($msg)
     {