diff --git a/docs/pipeline_playbook.md b/docs/pipeline_playbook.md
index 78de362..69575e0 100644
--- a/docs/pipeline_playbook.md
+++ b/docs/pipeline_playbook.md
@@ -34,7 +34,7 @@
     - [8.1 WP-06: Decision Engine (Skizze)](#81-wp-06-decision-engine-skizze)
     - [8.2 WP-08: Self-Tuning (Skizze)](#82-wp-08-self-tuning-skizze)
 
-
+</details>
 ---
 
 ## 1. Zweck & Einordnung