Update background.md

Added space before xref.

Author: madeline-underwood

content/learning-paths/servers-and-cloud-computing/azure-cobalt-cicd-aks/background.md

@@ -17,5 +17,5 @@ The Azure Cobalt 100 VM instances include two series:
 * The general purpose `Dpsv6 and Dplsv6` virtual machine series. 
 * The memory-optimized `Epsv6` virtual machine series. 
 
-To learn more about Azure Cobalt 100, refer to the blog["Announcing the preview of new Azure VMs based on the Azure Cobalt 100 processor"](https://techcommunity.microsoft.com/t5/azure-compute-blog/announcing-the-preview-of-new-azure-vms-based-on-the-azure/ba-p/4146353).
+To learn more about Azure Cobalt 100, refer to the blog ["Announcing the preview of new Azure VMs based on the Azure Cobalt 100 processor"](https://techcommunity.microsoft.com/t5/azure-compute-blog/announcing-the-preview-of-new-azure-vms-based-on-the-azure/ba-p/4146353).