Apply suggestions from code review

Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1

pages/kubernetes/how-to/use-sfs-with-kubernetes.mdx

@@ -20,7 +20,7 @@ The Scaleway File Storage CSI driver supports the following features:
 
 - Dynamic provisioning: Automatically create Scaleway File Storage volumes using PVCs and StorageClasses.
 - Import of existing Volumes: Integrate pre-existing Scaleway File Storage volumes into Kubernetes.
-- Volume upsizing: The size of the volume can be [increased](https://github.com/scaleway/scaleway-filestorage-csi/tree/main?tab=readme-ov-file#file-systems-resizing) without the need to detach the File System
+- Volume upsizing: The size of the volume can be [increased](https://github.com/scaleway/scaleway-filestorage-csi/tree/main?tab=readme-ov-file#file-systems-resizing) without the need to detach the file system
 - `ReadWriteOnce` access mode: The volume can be mounted as read-write by a single node.
 - `ReadOnlyMany` access mode: The volume can be mounted read-only by many nodes.
 - `ReadWriteMany` access mode: The volume can be mounted as read-write by many nodes.
@@ -37,7 +37,7 @@ The Scaleway File Storage CSI driver supports the following features:
 The Scaleway File Storage CSI driver is preinstalled on Scaleway's managed Kubernetes.
 
 <Message type="note">
-  During the private beta this feature is only available for users invited into the beta.
+  This feature is currently in [Private Beta](https://www.scaleway.com/en/betas/), and available to selected testers only.
 </Message>
 
 You can run the following command to check that the CSI driver pods are running: