diff --git a/Class_Diagram.md b/Class_Diagram.md
index 5ae4b0f..5355938 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -212,7 +212,7 @@ package Model <<Frame>> #bada55 {
   
   package Games #daf {
   
-    class GameRunner $done {
+    class MasterOfCeremonies $done {
       {static} +PlayGame(game: Game)
       +StartNewGame(string, IManager<Player>, [*] Die): Game
     }
@@ -242,10 +242,10 @@ Turn .right. (Die, Face) : [*] /+DiceNFaces
   Face "[1]" -up- "[1]" Die
 Turn --> "/+Player" Player
 
-GameRunner --> "[*] -games" Game
-GameRunner -left-> "T <-- <KeyValuePair<string, [*] Die>>" IManager
-GameRunner -down-> "T <-- <Player>" IManager
-GameRunner -up-|> "T <-- <Game>" IManager
+MasterOfCeremonies --> "[*] -games" Game
+MasterOfCeremonies -left-> "T <-- <KeyValuePair<string, [*] Die>>" IManager
+MasterOfCeremonies -down-> "T <-- <Player>" IManager
+MasterOfCeremonies -up-> "T <-- <Game>" IManager
 
 Game --> "[*]" Die
 Game --> "[*] /+Turns" Turn