diff --git a/slides/dhbw/09_best_practices.md b/slides/dhbw/09_best_practices.md
index 64934c4..3723085 100644
--- a/slides/dhbw/09_best_practices.md
+++ b/slides/dhbw/09_best_practices.md
@@ -63,6 +63,15 @@ a {
 
 **Sommersemester 2026** · Sitzung 10 — Wrap-up & Projektsupport
 
+[https://librete.ch/dhbw/](https://librete.ch/dhbw/)
+
+---
+
+<!-- _header: '' -->
+<!-- _footer: '' -->
+
+![bg fit](./assets/qr/slides-dhbw.png)
+
 ---
 
 <!-- _class: invert -->