diff --git a/Class_Diagram.md b/Class_Diagram.md
index 03175c6..1a79e93 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -245,7 +245,7 @@ Turn --> "/+Player" Player
 GameRunner --> "[*] -games" Game
 GameRunner -left-> IManager
 GameRunner -up-> IManager
-GameRunner-up-|> IManager
+GameRunner-up-|> IManager<Game>
 
 Game --> "[*]" AbstractDie
 Game --> "[*] /+Turns" Turn