diff --git a/Class_Diagram.md b/Class_Diagram.md
index cb5076c..3816fa1 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -44,6 +44,8 @@ package Model <<Frame>> #bada55 {
   package Dice #fdb {
   
     class DiceGroupManager $inprogress
+    
+    class DiceGroup $done
       
     abstract class Die $done
     
@@ -87,7 +89,8 @@ Turn .. (Die, Face) : [*]
 Turn --> Player
 
 DiceGroupManager .up.|> IManager
-DiceGroupManager --> Die : "[*]"
+DiceGroupManager --> DiceGroup : "[*]"
+DiceGroup --> Dice : "[*]"
 
 GameManager .left.|> IManager
 GameManager --> Game : "[*]"
@@ -358,7 +361,7 @@ NumberDie --|> HomogeneousDie : "T <-- <int>"
 
 DiceGroupManager ..|> IManager : "T <-- <DiceGroup>"
 DiceGroupManager -up-> "[*] -diceGroups" DiceGroup
-DiceGroup -up-> "[*] -dice" Die
+DiceGroup -up-> "[*] /+Dice" Die
 
 HomogeneousDie --|> Die