diff --git a/README.md b/README.md
index da3a164..d7216a8 100644
--- a/README.md
+++ b/README.md
@@ -174,6 +174,9 @@ Equipage --|> ObjetOhara
 Bateau --|> ObjetOhara
 Bestiaire --|> ObjetOhara
 
+StubManager --|> IDataManager
+XML_Serializer --|> IDataManager
+
 @enduml
 ```