Apply suggestions from code review

Co-authored-by: Louis Portay <[email protected]>
Co-authored-by: Néda <[email protected]>

Author: 3 people

pages/kubernetes/reference-content/security-group-management.mdx

@@ -27,16 +27,16 @@ When creating a pool using the CLI or API, you can specify a security group ID t
 
 Run the following syntax to create a new pool using the CLI:
 ```
-scw k8s pool create cluster-id=11111111-1111-1111-1111-111111111111 name=bar node-type=DEV1-XL size=2 security-group-id11111111-1111-1111-1111-111111111111
+scw k8s pool create cluster-id=11111111-1111-1111-1111-111111111111 name=bar node-type=DEV1-XL size=2 security-group-id=11111111-1111-1111-1111-111111111111
 ```
 <Message type="note">
   Replace `11111111-1111-1111-1111-111111111111` with the UUID of your cluster and security group.
 </Message>
 
-For more information how to create a pool using the API, refer to the [Kubernetes API documentation](https://www.scaleway.com/en/developers/api/kubernetes/#path-pools-create-a-new-pool-in-a-cluster).
+For more information on how to create a pool using the API, refer to the [Kubernetes API documentation](https://www.scaleway.com/en/developers/api/kubernetes/#path-pools-create-a-new-pool-in-a-cluster).
 
-If no security group ID is provided during pool creation, Scaleway assigns a default preconfigured security group named **Kapsule default security group**.
-This default security group is shared across all Kapsule pools within the same availability zone.
+If no security group ID is provided during pool creation, Scaleway assigns a default preconfigured security group named **Kapsule default security group** or **Kosmos default security group**.
+This default security group is shared across all Kapsule pools within the same Availability Zone in the same Project.
 
 ### Verify security group configuration
 
@@ -55,5 +55,5 @@ To update the rules of an existing security group, navigate to the Instances sec
 Select the security group (either the custom one or the Kapsule default security group), and [modify the inbound/outbound rules](/instances/how-to/use-security-groups/#how-to-edit-a-security-group) as needed.
 
 <Message type="important">
-  Changes to the Kapsule default security group will affect all pools in the same zone that use this default group.
+  Changes to the Kapsule default security group will affect all pools in the same zone that uses this default group.
 </Message>