diff --git a/_Sidebar.md b/_Sidebar.md
index 6ee0696..0191479 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -4,6 +4,11 @@
 - [Quiz](./Quiz)
 - [Lizen](./Lizenz)
 
+## Dienste
+
+- [Dynamic Host Configuration Protocol](./Dienste/Dynamic Host Configuration Protocol)
+- [Domain Name System](./Dienste/Domain Name System)
+
 ## Tools
 
 ### Visualizer