diff --git a/system/libs/creatures.php b/system/libs/creatures.php
index 769cb615..179b7521 100644
--- a/system/libs/creatures.php
+++ b/system/libs/creatures.php
@@ -11,6 +11,9 @@
 defined('MYAAC') or die('Direct access not allowed!');
 
 class Creatures {
+	/**
+	 * @var OTS_MonstersList
+	 */
 	private static $monstersList;
 	private static $lastError = '';