diff --git a/authorization.php b/authorization.php
index 62dc513..4e6d337 100644
--- a/authorization.php
+++ b/authorization.php
@@ -42,7 +42,7 @@ class authorization
   {
   }
 
-  /** Remove the informations about an object
+  /** Remove the informations about an object and all its sub-objects
       @param string $object Object path to drop */
   public function drop ($object)
   {