Address Acrolinx feedback

Author: dominicbetts

articles/iot-central/core/tutorial-define-gateway-device-type.md

@@ -22,7 +22,7 @@ In this tutorial, you create a **Smart Building** gateway device template. A **S
 As well as enabling downstream devices to communicate with your IoT Central application, a gateway device can also:
 
 * Send its own telemetry, such as temperature.
-* Respond to writable property updates made by an operator. For example, an operator could changes the telemetry send interval.
+* Respond to writable property updates made by an operator. For example, an operator could change the telemetry send interval.
 * Respond to commands, such as rebooting the device.
 
 In this tutorial, you learn how to:
@@ -162,7 +162,7 @@ To create a simulated gateway device:
 
 1. Keep the generated **Device ID** and **Device name**. Make sure that the **Simulated** switch is **Yes**. Select **Create**.
 
-To create a simulated downstream devices:
+To create a simulated downstream device:
 
 1. On the **Devices** page, select **RS40 Occupancy Sensor** in the list of device templates.
 
@@ -206,7 +206,7 @@ Both your simulated downstream devices are now connected to your simulated gatew
 
 In the [Create and connect a client application to your Azure IoT Central application](tutorial-connect-device.md) tutorial, the sample code shows how to include the model ID from the device template in the provisioning payload the device sends.
 
-When you connect a downstream device, you can modify the provisioning payload to include the the ID of the gateway device. The model ID lets IoT Central assign the device to the correct downstream device template. The gateway ID lets IoT Central establish the relationship between the downstream device and its gateway. In this case the provisioning payload the device sends looks like the following JSON:
+When you connect a downstream device, you can modify the provisioning payload to include the ID of the gateway device. The model ID lets IoT Central assign the device to the correct downstream device template. The gateway ID lets IoT Central establish the relationship between the downstream device and its gateway. In this case the provisioning payload the device sends looks like the following JSON:
 
 ```json
 {

articles/iot-central/core/tutorial-use-device-groups.md

@@ -123,7 +123,7 @@ To learn more about analytics, see [How to use data explorer to analyze device d
 
 ## Next steps
 
-Now that you've learned how to use device groups in your Azure IoT Central application, here is the suggested next step:
+Now that you've learned how to use device groups in your Azure IoT Central application, here's the suggested next step:
 
 > [!div class="nextstepaction"]
 > [How to create telemetry rules](tutorial-create-telemetry-rules.md)

includes/iot-central-monitor-thermostat.md

@@ -18,7 +18,7 @@ As an operator in your Azure IoT Central application, you can:
 
 * View the device properties on the **About** page. This page shows the properties from the device information component and the two thermostat components:
 
-    :::image type="content" source="media/iot-central-monitor-thermostat/about-properties.png" alt-text="Screenshot that dows the device properties view." lightbox="media/iot-central-monitor-thermostat/about-properties.png":::
+    :::image type="content" source="media/iot-central-monitor-thermostat/about-properties.png" alt-text="Screenshot that shows the device properties view." lightbox="media/iot-central-monitor-thermostat/about-properties.png":::
 
 ## Customize the device template
 
@@ -80,4 +80,4 @@ An operator can now use the **Properties** view to update the property values, a
 
     :::image type="content" source="media/iot-central-monitor-thermostat/call-command.png" alt-text="Screenshot that shows calling a command." lightbox="media/iot-central-monitor-thermostat/call-command.png":::
 
-    :::image type="content" source="media/iot-central-monitor-thermostat/command-response.png" alt-text="Screenshot tha shows a command response." lightbox="media/iot-central-monitor-thermostat/command-response.png":::
+    :::image type="content" source="media/iot-central-monitor-thermostat/command-response.png" alt-text="Screenshot that shows a command response." lightbox="media/iot-central-monitor-thermostat/command-response.png":::