Changed Nuget to NuGet x3

Author: megvanhuygen

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

@@ -40,7 +40,7 @@ The Microsoft Azure IoT device SDKs contain code that facilitates building appli
 
 Azure IoT Hub device SDK for .NET: 
 
-* Download from [Nuget](https://www.nuget.org/packages/Microsoft.Azure.Devices.Client/).  The namespace is Microsoft.Azure.Devices.Clients, which contains IoT Hub Device Clients (DeviceClient, ModuleClient).
+* Download from [NuGet](https://www.nuget.org/packages/Microsoft.Azure.Devices.Client/).  The namespace is Microsoft.Azure.Devices.Clients, which contains IoT Hub Device Clients (DeviceClient, ModuleClient).
 * [Source code](https://github.com/Azure/azure-iot-sdk-csharp)
 * [API reference](https://docs.microsoft.com/dotnet/api/microsoft.azure.devices?view=azure-dotnet)
 * [Module reference](https://docs.microsoft.com/dotnet/api/microsoft.azure.devices.client.moduleclient?view=azure-dotnet)
@@ -88,7 +88,7 @@ The Azure IoT service SDKs contain code to facilitate building applications that
 
 Azure IoT Hub service SDK for .NET:
 
-* Download from [Nuget](https://www.nuget.org/packages/Microsoft.Azure.Devices/).  The namespace is Microsoft.Azure.Devices, which contains IoT Hub Service Clients (RegistryManager, ServiceClients).
+* Download from [NuGet](https://www.nuget.org/packages/Microsoft.Azure.Devices/).  The namespace is Microsoft.Azure.Devices, which contains IoT Hub Service Clients (RegistryManager, ServiceClients).
 * [Source code](https://github.com/Azure/azure-iot-sdk-csharp)
 * [API reference](https://docs.microsoft.com/dotnet/api/microsoft.azure.devices)
 
@@ -111,7 +111,7 @@ Azure IoT Hub service SDK for Python:
 
 Azure IoT Hub service SDK for C: 
 
-* Download from [apt-get, MBED, Arduino IDE, or Nuget](https://github.com/Azure/azure-iot-sdk-c/blob/master/readme.md)
+* Download from [apt-get, MBED, Arduino IDE, or NuGet](https://github.com/Azure/azure-iot-sdk-c/blob/master/readme.md)
 * [Source code](https://github.com/Azure/azure-iot-sdk-c)
 
 Azure IoT Hub service SDK for iOS: