Merge pull request #125778 from changeworld/patch-48

Fix typo

Author: ShannonLeavitt

articles/iot-edge/how-to-connect-downstream-device.md

@@ -86,7 +86,7 @@ You can use a service like [Azure Key Vault](/azure/key-vault/) or a function li
 
 Once the root CA certificate is on the downstream device, make sure the applications that are connecting to the gateway can access the certificate.
 
-Installing the root CA certificate in the operating system's certificate store generally allows most applications to use the root CA certificate. There are some exceptions, like NodeJS applications that don't use the OS certificate store but rather use the Node runtime's internal certificate store. If you can't install the certificate at the operating system level, skip ahead to [Use certificates with Azure IoT SDKs](#use-certificates-with-azure-iot-sdks).
+Installing the root CA certificate in the operating system's certificate store generally allows most applications to use the root CA certificate. There are some exceptions, like Node.js applications that don't use the OS certificate store but rather use the Node runtime's internal certificate store. If you can't install the certificate at the operating system level, skip ahead to [Use certificates with Azure IoT SDKs](#use-certificates-with-azure-iot-sdks).
 
 Install the root CA certificate on either Ubuntu or Windows.
 
@@ -144,7 +144,7 @@ Now you're ready to use certificates with a sample in the language of your choic
 
 # [NodeJS](#tab/nodejs)
 
-This section provides a sample application to connect an Azure IoT NodeJS device client to an IoT Edge gateway. For NodeJS applications, you must install the root CA certificate at the application level as shown here. NodeJS applications don't use the system's certificate store.
+This section provides a sample application to connect an Azure IoT Node.js device client to an IoT Edge gateway. For Node.js applications, you must install the root CA certificate at the application level as shown here. Node.js applications don't use the system's certificate store.
 
 1. Get the sample for **edge_downstream_device.js** from the [Azure IoT device SDK for Node.js samples repo](https://github.com/Azure/azure-iot-sdk-node/tree/main/device/samples).
 1. Make sure that you have all the prerequisites to run the sample by reviewing the **readme.md** file.