diff --git a/Class_Diagram.md b/Class_Diagram.md
index adb8273..fe45fec 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -451,7 +451,7 @@ package Data <<Database>> #ddd {
       
       class GameExtensions <<static>> $todo
       
-      class GameDbRunner $todo
+      class GameDbManager $todo
     
       class TurnEntity $todo
 
@@ -497,7 +497,7 @@ DiceAppDbContext --> "[*]" TurnEntity
 
 PlayerDbManager -up-> DiceAppDbContext
 DieDbManager -left-> DiceAppDbContext
-GameDbRunner -down-> DiceAppDbContext
+GameDbManager -down-> DiceAppDbContext
 
 @enduml
 ```
@@ -538,7 +538,7 @@ package Data <<Database>> #ddd {
       
       class GameExtensions <<static>> $todo
       
-      class GameDbRunner $todo
+      class GameDbManager $todo
     
       class TurnEntity $todo
 
@@ -579,7 +579,7 @@ DiceAppDbContext -up-> "[*]" TurnEntity
 
 PlayerDbManager -up-> DiceAppDbContext
 DieDbManager -left-> DiceAppDbContext
-GameDbRunner -down-> DiceAppDbContext
+GameDbManager -down-> DiceAppDbContext
 
 @enduml
 ```
@@ -672,8 +672,7 @@ package Data <<Database>> #ddd {
     
       class DieEntity $todo
       
-      class DieDbManager $todo {
-      }
+      class DieDbManager $todo
       
       class FaceEntity $todo
     }
@@ -682,8 +681,7 @@ package Data <<Database>> #ddd {
     
       class GameEntity $todo
       
-      class GameDbRunner $todo {
-      }
+      class GameDbManager $todo
     
       class TurnEntity $todo
     }
@@ -692,8 +690,7 @@ package Data <<Database>> #ddd {
     
       class PlayerEntity $done
       
-      class PlayerDbManager $done {
-      }
+      class PlayerDbManager $done
     
     }
     
@@ -720,7 +717,7 @@ DiceAppDbContext -up-> "[*] /+Turns" TurnEntity
 
 PlayerDbManager --> "-db" DiceAppDbContext
 DieDbManager --> "-db" DiceAppDbContext
-GameDbRunner -down-> "-db" DiceAppDbContext
+GameDbManager -down-> "-db" DiceAppDbContext
 
 @enduml
 ```
\ No newline at end of file