Fix php docs

Filter/FilterFactory.php

@@ -31,10 +31,10 @@ class FilterFactory implements FilterFactoryInterface
 
     /**
      * @throws \RunTimeException
-     * @param $name
-     * @param $type
-     * @param $options
-     * @return object|\Symfony\Component\DependencyInjection\The
+     * @param string $name
+     * @param string $type
+     * @param array $options
+     * @return Sonata\AdminBundle\Filter\FilterInterface
      */
     public function create($name, $type, array $options = array())
     {