diff --git a/README.md b/README.md
index f4a8d17..82e6402 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/jaconi)](https://artifacthub.io/packages/search?repo=jaconi)
 
-```
+```shell
 helm repo add jaconi https://charts.jaconi.io
 ```
 
@@ -10,25 +10,25 @@ helm repo add jaconi https://charts.jaconi.io
 
 Create a [kind](https://kind.sigs.k8s.io) cluster:
 
-```
+```shell
 kind create cluster --config kind.yaml
 ```
 
 Install [MetalLB](https://metallb.universe.tf) in the created cluster:
 
-```
+```shell
 kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.13.9/config/manifests/metallb-native.yaml
 ```
 
 Determine the kind IP range:
 
-```
+```shell
 docker network inspect -f '{{ .IPAM.Config }}' kind
 ```
 
 Configure an IP address pool for MetalLB:
 
-```
+```shell
 kubectl apply -f - << EOF 
 apiVersion: metallb.io/v1beta1
 kind: IPAddressPool
@@ -52,13 +52,13 @@ EOF
 
 Start [Keycloak](https://www.keycloak.org):
 
-```
+```shell
 docker compose up --detach
 ```
 
 Install the Helm charts for testing:
 
-```
+```shell
 for f in */Chart.yaml; do
   chart=$(dirname $f)
   helm install --create-namespace --namespace $chart $chart $chart
@@ -67,7 +67,7 @@ done
 
 After changing things, update the Helm charts:
 
-```
+```shell
 for f in */Chart.yaml; do
   chart=$(dirname $f)
   helm upgrade --namespace $chart $chart $chart
@@ -78,12 +78,12 @@ done
 
 Forward the NetBird management server to port `8081`:
 
-```
+```shell
 kubectl port-forward -n netbird service/netbird-management 8081:80
 ```
 
 Forward the NetBird dashboard to port `8080`:
 
-```
+```shell
 kubectl port-forward -n netbird-dashboard service/netbird-dashboard 8080:80
 ```
diff --git a/coturn/README.md b/coturn/README.md
index 3626171..490a041 100644
--- a/coturn/README.md
+++ b/coturn/README.md
@@ -14,15 +14,14 @@ certificate:
   issuerName: letsencrypt
 ```
 
-The resulting TLS certificate and private key will be passed to coturn via the `--cert` and `--pkey` flags. The settings
-`cert` and `pkey` will be ignored.
+The resulting TLS certificate and private key will be passed to coturn via the
+`--cert` and `--pkey` flags. The settings `cert` and `pkey` will be ignored.
 
 ## Traefik
 
-When using [Traefik](https://traefik.io), a
-[IngressRouteTCP](https://doc.traefik.io/traefik/routing/providers/kubernetes-crd/#kind-ingressroutetcp) and a
-[IngressRouteUDP](https://doc.traefik.io/traefik/routing/providers/kubernetes-crd/#kind-ingressrouteudp) resource can be
-created by this chart:
+When using [Traefik](https://traefik.io), a [IngressRouteTCP](https://doc.traefik.io/traefik/routing/providers/kubernetes-crd/#kind-ingressroutetcp)
+and a [IngressRouteUDP](https://doc.traefik.io/traefik/routing/providers/kubernetes-crd/#kind-ingressrouteudp)
+resource can be created by this chart:
 
 ```yaml
 traefik:
@@ -34,7 +33,8 @@ traefik:
     udp-tls: udp-tls
 ```
 
-When using the official Traefik Helm chart, the following (or similar) configuration is needed for Traefik:
+When using the official Traefik Helm chart, the following (or similar)
+configuration is needed for Traefik:
 
 ```yaml
 ports: