Revise portal prereqs to reduce jargon

Author: cwatson-cat

articles/iot-hub/iot-hub-device-registry-setup.md

@@ -23,6 +23,7 @@ This article explains how to deploy IoT Hub with [Azure Device Registry (ADR)](i
 - An active Azure subscription. If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/).
 - Ensure that you have the privilege to perform role assignments within your target scope. Performing role assignments in Azure requires a [privileged role](../role-based-access-control/built-in-roles.md#privileged), such as Owner or User Access Administrator at the appropriate scope.
 - Review and plan to deploy IoT Hub with Azure Device Registry and certificate management in one of the [supported regions](iot-hub-what-is-new.md#supported-regions).
+
 ## Choose a deployment method
 
 To use certificate management, you must also set up IoT Hub, ADR, and the [Device Provisioning Service (DPS)](../iot-dps/index.yml). If you prefer, you can choose not to enable certificate management and configure only IoT Hub with ADR.

includes/iot-hub-device-registry-portal.md

@@ -6,14 +6,15 @@ ms.author: cwatson
 ms.service: azure-iot-hub
 ms.topic: include
 ai-usage: ai-assisted
-ms.date: 12/03/2025
+ms.date: 01/07/2026
 ---
 
 ## Additional prerequisites for Azure portal
 
 Before you begin, make sure you have:
 
-- An Azure resource group with the [Contributor](/azure/role-based-access-control/built-in-roles/privileged#contributor) role assigned for the role assignment member **Azure IoT Hub** at the resource group scope. For more information, see [Assign Azure roles using the Azure portal](/azure/role-based-access-control/role-assignments-portal).
+- An Azure resource group to organize your IoT hub and related resources. For more information, see [Create a resource group](/azure/azure-resource-manager/management/manage-resource-groups-portal).
+- Assigned the [Contributor](/azure/role-based-access-control/built-in-roles/privileged#contributor) role to the **Azure IoT Hub** service at the resource group level. When you select members during the role assignment, search for and select **Azure IoT Hub** from the list of service principals. For more information, see [Assign Azure roles using the Azure portal](/azure/role-based-access-control/role-assignments-portal).
 
 ## Overview