fix(k8s): tutorial fix headline (scaleway#4171)

* fix(k8s): tutorial fix headline

* fix(k8s): fix tuto formatting

* fix(k8s): fix tuto formatting

Author: bene2k1

tutorials/enabling-encryption-in-kapsule-with-cilium/index.mdx

@@ -1,17 +1,16 @@
 ---
 meta:
-  title: Enabling Encryption in Kapsule (Kubernetes 1.31) with Cilium
+  title: Enabling encryption in Kapsule (Kubernetes 1.31) with Cilium
   description: Learn how to enable WireGuard encryption in Scaleway’s Kapsule Managed Kubernetes service using Cilium. This guide covers configuration steps, verification, and testing encryption for secure network traffic.
 content:
-  h1: Enabling Encryption in Kapsule (Kubernetes 1.31) with Cilium
+  h1: Enabling encryption in Kapsule (Kubernetes 1.31) with Cilium
   paragraph: Learn how to enable WireGuard encryption in Scaleway’s Kapsule Managed Kubernetes service using Cilium. This guide covers configuration steps, verification, and testing encryption for secure network traffic.
-tags: hashicorp vault kubernetes k8s easy deploy
+tags: encryption cilium kapsule wireguard
 categories:
   - containers
 dates:
   validation: 2024-12-31
   posted: 2024-12-31
-  validation_frequency: 24
 ---
 
 
@@ -25,7 +24,7 @@ By default, Cilium is selected as the CNI when creating a cluster. We will confi
 - `kubectl` installed and configured for your cluster.
 - Cilium is selected as the [CNI](/containers/kubernetes/concepts/#container-network-interface-cni) in your cluster (default in Kapsule).
 
-## Creating a `CiliumNodeConfig` resource for encryption
+## Creating a CiliumNodeConfig resource for encryption
 
 The `CiliumNodeConfig` resource defines encryption settings for Cilium. It enables **WireGuard encryption** across all nodes in your Kapsule cluster.
 
@@ -78,7 +77,7 @@ After creating the `CiliumNodeConfig`, you must restart Cilium to apply these en
 
 In this step, you will deploy test applications along with a `tcpdump` DaemonSet to observe network traffic before and after enabling encryption.
 
-### 3.1 Deploying test applications and `tcpdump`
+### Deploying test applications and tcpdump
 
 Below is an example YAML manifest that deploys:
 
@@ -265,4 +264,3 @@ You should now see traffic matching **port 51871**, indicating the packets are e
    Enabling encryption may slightly increase CPU usage on the nodes. Monitor resource utilization to ensure adequate capacity.
 
 For more details, refer to [Cilium’s WireGuard Encryption Documentation](https://docs.cilium.io/en/stable/security/network/encryption-wireguard/).
-