Add asset/subscription limit

Author: dominicbetts

articles/iot-operations/discover-manage-assets/howto-configure-opc-ua.md

@@ -69,7 +69,7 @@ An Azure IoT Operations deployment can include a sample OPC PLC simulator. To cr
     | Connector for OPC UA URL | `opc.tcp://opcplc-000000:50000` |
     | User authentication | `Anonymous` |
 
-1. Select **Next** and on the **Additional Info** page, enter any custom properties for the device.
+1. Select **Next**. On the **Additional Info** page enter any custom properties for the device.
 
 1. Select **Next** to review your device details. Then select **Create**.
 

articles/iot-operations/includes/device-registry-limits.md

@@ -16,6 +16,7 @@ The following table lists the limits that apply to the Azure Device Registry res
 | Devices / discovered devices | Count per Azure Device Registry namespace | 10,000 |
 | Devices / discovered devices (read) | Operations per minute per Azure subscription | 5,000 |
 | Devices / discovered devices (create/update) | Operations per minute per Azure subscription | 500 |
+| Assets | Count per Azure subscription | 100,000 |
 | Assets  / discovered assets | Count per Azure Device Registry namespace | 10,000 |
 | Assets / discovered assets | Count per Kubernetes cluster | 1,000 |
 | Assets / discovered assets (read) | Operations per minute per Azure subscription | 5,000 |