Update virtual-machines-for-nginx.md

Author: jawfu-M

content/nginx/deployment-guides/microsoft-azure/virtual-machines-for-nginx.md

@@ -60,7 +60,7 @@ For Active-Active HA for NGINX Plus on Microsoft Azure Using the Azure Standard
    - **Availability options** – <span style="color:#666666; font-weight:bolder; white-space: nowrap;">No infrastructure redundancy required</span>
 
      This option is best for a demo like the one in this guide. For production deployments, deploy a copy of each VM in a different Availability Zone. For more information, see the [Azure documentation](https://docs.microsoft.com/en-us/azure/availability-zones/az-overview).
-   - **Image** – <span style="color:#666666; font-weight:bolder; white-space: nowrap;">Ubuntu Server 18.04 LTS</span> <span style="color:#374936;font-weight:bolder; white-space:nowrap;"> Ubuntu Server </span>
+   - **Image** – <span style="color:#666666; font-weight:bolder; white-space: nowrap;">Ubuntu Server 18.04 LTS</span>
    - **Azure Spot instance** – <span style="color:#666666; font-weight:bolder;">No</span>
    - **Size** – <span style="color:#666666; font-weight:bolder;">B1s</span> (click <span style="color:#2d89d6; white-space: nowrap;">Select size</span> to access the <span style="font-weight:bold; white-space: nowrap;">Select a VM size</span> window, click the **B1s** row, and click the <span style="background-color:#137ad1; color:white;"> Select </span> button to return to the **Basics** tab)
    - **Authentication type** – <span style="color:#666666; font-weight:bolder; white-space: nowrap;">SSH public key</span>