Merge pull request #126475 from changeworld/patch-27

Fix typo

Author: v-dirichards

articles/iot/concepts-developer-guide-service.md

@@ -31,7 +31,7 @@ Use the Azure IoT service SDKs in your solution to interact with devices and mod
 
 The service SDKs let you access device information from a solution component such as a desktop or web application. The service SDKs include two namespaces and object models that you can use to retrieve the model ID:
 
-- Iot Hub service client. This service exposes the model ID as a device twin property.
+- IoT Hub service client. This service exposes the model ID as a device twin property.
 
 - Digital Twins client. The new Digital Twins API operates on [Digital Twins Definition Language (DTDL)](concepts-digital-twin.md) model constructs such as components, properties, and commands. The Digital Twin APIs make it easier for solution builders to create IoT Plug and Play solutions.