diff --git a/Project/documentation.md b/Project/documentation.md
index 1da7e98..32fa21f 100644
--- a/Project/documentation.md
+++ b/Project/documentation.md
@@ -20,3 +20,4 @@ Wenn dieser Code ausgeführt wird, lautet die Ausgabe:
 ```csharp
 Hello World
 ```
+https://github.com/GSO-SW/github-und-git-im-browser-MarcGiesbrecht/blob/302bc2a04d8a90f75bef47e56c44197bcde1edcc/Project/hello-world.cs
diff --git a/Project/hello-world.cs b/Project/hello-world.cs
index 544fffb..b718561 100644
--- a/Project/hello-world.cs
+++ b/Project/hello-world.cs
@@ -1 +1,2 @@
-Console.WriteLine("Hello Morld");
+Console.WriteLine("Hello World");
+Console.WriteLine("Mein neues Feature");
diff --git a/README.md b/README.md
index d45cea4..6a524b4 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/7TgmR-X0)
 # GitHub-Einführung für SchülerInnen
 
 Herzlich willkommen zu diesem GitHub-Tutorial! 😊