diff --git a/SeedDMS_Core/Core/inc.ClassDocument.php b/SeedDMS_Core/Core/inc.ClassDocument.php
index cdf3b256e..e55f17ff0 100644
--- a/SeedDMS_Core/Core/inc.ClassDocument.php
+++ b/SeedDMS_Core/Core/inc.ClassDocument.php
@@ -1049,8 +1049,10 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
 
 	/**
 	 * Add access right to folder
-	 * This function may change in the future. Instead of passing the a flag
+	 * This function may change in the future. Instead of passing a flag
 	 * and a user/group id a user or group object will be expected.
+	 * Starting with version 5.1.25 this method will first check if there
+	 * is already an access right for the user/group.
 	 *
 	 * @param integer $mode access mode
 	 * @param integer $userOrGroupID id of user or group