Merge pull request #127024 from changeworld/patch-30

Fix typo: build-in -> built-in

Author: v-dirichards

articles/iot-hub/iot-hub-devguide-endpoints.md

@@ -26,7 +26,7 @@ You can find the hostname of an IoT hub in the Azure portal, on your IoT hub's *
 
 Azure IoT Hub is a multitenant service that exposes its functionality to various actors. The following diagram shows the various endpoints that IoT Hub exposes.
 
-:::image type="content" source="./media/iot-hub-devguide-endpoints/endpoints.png" alt-text="Diagram showing the list of build-in IoT Hub endpoints." border="false":::
+:::image type="content" source="./media/iot-hub-devguide-endpoints/endpoints.png" alt-text="Diagram showing the list of built-in IoT Hub endpoints." border="false":::
 
 The following list describes the endpoints: