diff --git a/README.md b/README.md
index e2bd3d4..31b448d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 * [Install k3s](#install-k3s)
 * [Configure upstream DNS-resolver](#upstream-dns-resolver)
+* [Change NodePort range](#nodeport-range)
 * [Namespaces and resource limits](#namespaces)
   * [devel](#namespace-devel)
   * [staging](#namespace-staging)
@@ -11,7 +12,7 @@
   * [Disable Traefik-ingress](#disable-traefik-ingress)
   * [Enable NGINX-ingress](#enable-nginx-ingress)
     * [Installation](#install-nginx-ingress)
-* [Cer t-Manager (references ingress controller)](#cert-manager)
+* [Cert-Manager (references ingress controller)](#cert-manager)
   * [Installation](#cert-manager-install)
   * [Let´s Encrypt issuer](#cert-manager-le-issuer)
   * [Deploying a LE-certificate](#cert-manager-ingress)
@@ -72,12 +73,22 @@ Default: 8.8.8.8 => does not resolve local domains!
 ```
 [...]
 ExecStart=/usr/local/bin/k3s \
-    server --resolv-conf /etc/resolv.conf \
+    server [...] --resolv-conf /etc/resolv.conf \
 ```
 3. Re-load systemd config: `systemctl daemon-reload`
 4. Re-start k3s: `systemctl restart k3s.service`
 5. Re-deploy coredns-pods: `kubectl -n kube-system delete name-of-coredns-pods`
 
+# Change NodePort range to 1 - 65535 <a name="nodeport-range"></a>
+1. vi /etc/systemd/system/k3s.service:
+```
+[...]
+ExecStart=/usr/local/bin/k3s \
+    server [...] --kube-apiserver-arg service-node-port-range=1-65535 \
+```
+2. Re-load systemd config: `systemctl daemon-reload`
+3. Re-start k3s: `systemctl restart k3s.service`
+
 # Namespaces and resource limits <a name="namespaces"></a>
 ## devel <a name="namespace-devel"></a>
 namespace-devel-limitranges.yaml: