diff --git a/README.md b/README.md
index 63853d2..a1fb29e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # snippets for k3s
 
-## Install k3s
+* [Install k3s](#install-k3s)
+
+## Install k3s <a name="install-k3s"></a>
 https://k3s.io/:
 ```
 curl -sfL https://get.k3s.io | sh -
@@ -45,6 +47,8 @@ dominik@muggler:~$ curl -s http://10.62.94.246
 ```
 
 ### Enable nginx-ingress tcp- and udp-services for apps other than http/s
+Docs: https://kubernetes.github.io/ingress-nginx/user-guide/exposing-tcp-udp-services/
+
 `kubectl edit deployment -n ingress-nginx` and search for `spec:`/`template`/`spec`/`containers` section:
 ```
 [...]