diff --git a/_Sidebar.md b/_Sidebar.md
index 9897656..c68812e 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -14,6 +14,7 @@
 
 - [Transmission Control Protocol](./Protokolle/Transmission-Control-Protocol)
 - [User Datagram Protocol](./Protokolle/User-Datagram-Protocol)
+- [Simple Network Management Protocol](./Protokolle/Simple-Network-Management-Protocol)
 
 ## Tools