Update README.md

README.md

@@ -3,7 +3,8 @@
 For using the MoDoCoT you need to provide this repository to the stundents.
 The students place their code here into the root folder.
 
-### The other files need to stay the same!
+### The other files need to stay the same! (Dockerfile, Jenkinsfile, settings.xml)
+For your usage you can delete the .java files.
 
 This is an example submission containing a simple Calculator.