Update tutorial-machine-learning-edge-07-send-data-to-hub.md

Updates related to User Story 1604395: https://mseng.visualstudio.com/TechnicalContent/_workitems/edit/1604395

Author: john-par

articles/iot-edge/tutorial-machine-learning-edge-07-send-data-to-hub.md

@@ -1,6 +1,6 @@
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 title: Send device data via transparent gateway - Machine Learning on Azure IoT Edge | Microsoft Docs 
-description: Use your development machine as a simulated IoT Edge device to send data to the IoT Hub the device by going through a device configured as a transparent gateway.
+description: Use your development machine as a simulated IoT Edge device to send data to the IoT Hub by going through a device configured as a transparent gateway.
 author: kgremban
 manager: philmea
 ms.author: kgremban