Clarify proxy steps

Author: kgremban

articles/iot-operations/deploy-iot-ops/howto-prepare-cluster.md

@@ -167,9 +167,10 @@ Connect your cluster to Azure Arc so that it can be managed remotely.
    To prevent unplanned updates to Azure Arc and the system Arc extensions that Azure IoT Operations uses as dependencies, this command disables auto-upgrade. Instead, [manually upgrade agents](/azure/azure-arc/kubernetes/agent-upgrade#manually-upgrade-agents) as needed.
 
    >[!IMPORTANT]
-   >If your environment uses a proxy server or Azure Arc Gateway, add `--proxy-skip-range 169.254.169.254` to the `az connectedk8s connect` command. [Azure Device Registry](../discover-manage-assets/overview-manage-assets.md#store-assets-as-azure-resources-in-a-centralized-registry) uses this local endpoint to get access tokens for authorization.
+   >If your environment uses a proxy server or Azure Arc Gateway, modify the `az connectedk8s create` command with your proxy information:
    >
-   >For more information about preparing your cluster for proxies, see [Connect using an outbound proxy server](/azure/azure-arc/kubernetes/quickstart-connect-cluster#connect-using-an-outbound-proxy-server) or [Simplify network configuration requirements with Azure Arc Gateway](/azure/azure-arc/kubernetes/arc-gateway-simplify-networking).
+   >1. Follow the instructions in either [Connect using an outbound proxy server](/azure/azure-arc/kubernetes/quickstart-connect-cluster#connect-using-an-outbound-proxy-server) or [Onboard Kubernetes clusters to Azure Arc with Azure Arc Gateway](/azure/azure-arc/kubernetes/arc-gateway-simplify-networking#onboard-kubernetes-clusters-to-azure-arc-with-your-arc-gateway-resource).
+   >1. Add `169.254.169.254` to the `--proxy-skip-range` parameter of the `az connectedk8s connect` command. [Azure Device Registry](../discover-manage-assets/overview-manage-assets.md#store-assets-as-azure-resources-in-a-centralized-registry) uses this local endpoint to get access tokens for authorization.
    >
    >Azure IoT Operations doesn't support proxy servers that require a trusted certificate.