Incorp, round 2

Author: KennedyDMSFT

articles/iot-hub/tutorial-x509-test-certs.md

@@ -50,9 +50,10 @@ The following tutorial uses [OpenSSL](https://www.openssl.org/) and the [OpenSSL
 
 You must first create an internal root certificate authority (CA) and a self-signed root CA certificate to serve as a trust anchor from which you can create other certificates for testing. The files used to create and maintain your internal root CA are stored in a folder structure and initialized as part of this process. Perform the following steps to:
 
-- Create and initialize the folders and files used by your root CA
-- Create a configuration file used by OpenSSL to configure your root CA and certificates created with your root CA
-- Request and create a self-signed CA certificate that serves as your root CA certificate
+> [!div class="checklist"]
+> * Create and initialize the folders and files used by your root CA
+> * Create a configuration file used by OpenSSL to configure your root CA and certificates created with your root CA
+> * Request and create a self-signed CA certificate that serves as your root CA certificate
 
 1. Start a Git Bash window and run the following command, replacing *{base_dir}* with the desired directory in which to create the root CA.