Fix anchor links

Author: kgremban

articles/iot-central/core/concepts-device-implementation.md

@@ -105,7 +105,7 @@ A device can set the `iothub-creation-time-utc` property when it creates a messa
 
 You can export both the enqueued time and the `iothub-creation-time-utc` property when you export telemetry from your IoT Central application.
 
-To learn more about message properties, see [System Properties of device-to-cloud IoT Hub messages](../../iot-hub/iot-hub-devguide-messages-construct.md#system-properties-of-d2c-iot-hub-messages).
+To learn more about message properties, see [System Properties of device-to-cloud IoT Hub messages](../../iot-hub/iot-hub-devguide-messages-construct.md#system-properties-of-device-to-cloud-messages).
 
 ## Best practices
 

includes/iot-central-data-export-message-properties.md

@@ -12,7 +12,7 @@
 
 #### Message properties
 
-Telemetry messages have properties for metadata as well as the telemetry payload. The previous snippet shows examples of system messages such as `deviceId` and `enqueuedTime`. To learn more about the system message properties, see [System Properties of D2C IoT Hub messages](../articles/iot-hub/iot-hub-devguide-messages-construct.md#system-properties-of-d2c-iot-hub-messages).
+Telemetry messages have properties for metadata as well as the telemetry payload. The previous snippet shows examples of system messages such as `deviceId` and `enqueuedTime`. To learn more about the system message properties, see [System Properties of device-to-cloud IoT Hub messages](../articles/iot-hub/iot-hub-devguide-messages-construct.md#system-properties-of-device-to-cloud-messages).
 
 You can add properties to telemetry messages if you need to add custom metadata to your telemetry messages. For example, you need to add a timestamp when the device creates the message.