diff --git a/README.md b/README.md
index 6af164d32d18a6463ec2b9d57d580b220e0346bf..8e4bbb2e5ba256f0a029008411ca7a25bb87e295 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # <img src="docs/src/assets/logo.jpg" width="36px" /> Sustainable Software Engineering
 
-## Lecture Material
+## 🚨 Lecture Material 🚨 (for future reference)
 
-- Located in the [`./docs/src/lecture` Folder](./docs/src/lecture) as Markdown files.
+- Located in the [`./docs/src/lecture` Folder](./docs/src/lecture) (click) as Markdown files, can be opened in Webbrowser.
 
 ## Installation