diff --git a/Class_Diagram.md b/Class_Diagram.md
index 583b494..e8c774c 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -196,7 +196,7 @@ package Model <<Frame>> #bada55 {
     }
     
     class Game $done {
-      /+PlayerManager: IManager
+      /+PlayerManager: IManager<Player>
       /+Name: string
       /+Dice: [*] AbstractDie
       +PerformTurn(player: Player)