diff --git a/NestedSet.php b/NestedSet.php
index c06ce51..413d6e3 100644
--- a/NestedSet.php
+++ b/NestedSet.php
@@ -43,6 +43,7 @@ class NestedSet extends Behavior
 	 * @var string
 	 */
 	public $levelAttribute = 'level';
+
 	/**
 	 * @var bool
 	 */
@@ -64,6 +65,7 @@ class NestedSet extends Behavior
 	 */
 	private static $_c = 0;
 
+
 	/**
 	 * @inheritdoc
 	 */