diff --git a/Hitori/src/main/java/PR2/HitoriSpiel/project_structure.puml b/Hitori/src/main/java/PR2/HitoriSpiel/project_structure.puml
index 3a4ffbe..3b771b5 100644
--- a/Hitori/src/main/java/PR2/HitoriSpiel/project_structure.puml
+++ b/Hitori/src/main/java/PR2/HitoriSpiel/project_structure.puml
@@ -1,3 +1,4 @@
+//Klassendiagramm
 @startuml
 package PR2.HitoriSpiel.Domain {
     class Action {