diff --git a/src/main/java/PDLayer.mdl b/src/main/java/PDLayer.mdl
index e51cd21..e1671f5 100644
--- a/src/main/java/PDLayer.mdl
+++ b/src/main/java/PDLayer.mdl
@@ -53,6 +53,8 @@ type PDDocument extends PDObject {
 	link AA: PDAdditionalActions?;
 	% document open action (OpenAction entry in the Catalog)
 	link OpenAction: PDAction?;
+	% document open action destination (OpenAction entry in the Catalog)
+	link OpenActionDestination: PDDestination?;
 	% document outlines (Outlines entry in the Catalog)
 	link Outlines: PDOutline*;
 	% link to the optional content properties dictionary
diff --git a/src/main/java/SELayer.mdl b/src/main/java/SELayer.mdl
index 7412839..61d09ec 100644
--- a/src/main/java/SELayer.mdl
+++ b/src/main/java/SELayer.mdl
@@ -345,6 +345,8 @@ type SEFENote extends PDStructElem {
     property NoteType : String;
     % comma separated list of object numbers that are missing in the Ref entry of a given FENote
     property orphanRefs : String;
+    % comma separated list of object numbers that are present in the Ref entry of a given FENote, while these structure elements do not reference this FENote 
+    property ghostRefs : String;
 }
 
 % <Sub> structure element (only PDF 2.0)