Apply suggestions from code review

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

Author: bene2k1

containers/kubernetes/how-to/connect-cluster-kubectl.mdx

@@ -34,7 +34,7 @@ If your Organization uses IAM to control access, ensure that you or your group/a
 
 To create a new policy with the correct permission sets, follow these steps:
 
-### Key elements of IAM Policy configuration
+### Configure an IAM policy
 
 1. **Create a new policy**: Navigate to the **Policies** tab in your Organization’s IAM console and create a new policy.
 2. **Add your user (or group/application)**: Assign your user, group, or application as the **Principal**.
@@ -61,7 +61,7 @@ If you have not set up the Scaleway CLI yet:
    ```bash
    scw init
    ```
-   You will need your [API Key](/identity-and-access-management/iam/how-to/create-api-keys/) (access key & secret key).
+   You will need your [API Key](/identity-and-access-management/iam/how-to/create-api-keys/) (access key and secret key).
 
 
 ### Retrieve and install the kubeconfig using scw
@@ -104,7 +104,7 @@ To revoke a user's access to the cluster, ensure that any API keys associated wi
 #### Reassign the user to a restricted group
    - Transfer the principal (application or user) to a group with reduced permissions that does not allow cluster access.
 
-#### Delete the Principal
+#### Delete the principal
    - Permanently remove the user or application from the IAM system to ensure no further access is possible.
 
 ### Revoking kubeconfig access