Merge pull request #119033 from hyoshioka0128/patch-772

 Typo "a Oracle Data Guard"→"an Oracle Data Guard"

Author: Court72

articles/virtual-machines/workloads/oracle/oracle-azure-vms-faq.md

@@ -19,7 +19,7 @@ ms.date: 06/12/2023
 **What is the role of an Oracle Data Guard on Azure?**    
 Data Guard is more focused on disaster recovery (DR) in an on-premises Oracle solution in Azure. It’s central to high availability and disaster recovery. It applies mainly to Fast-Start Failover and the DG Broker & Observer. Data Guard provides a high-availability-based Architecture.
 
-**Does having a Oracle Data Guard setup on Azure VM between Availability Set/Zones or regions subject to ingress/egress cost?**   
+**Does having an Oracle Data Guard setup on Azure VM between Availability Set/Zones or regions subject to ingress/egress cost?**   
 Yes. There's US$0.02/GB charge for the Data Guard redo transport for a remote standby database in another region. There's no cost for the Data Guard redo transport to a local standby database in another availability zone in the same region. 
 
 **What are the different design options for Oracle migration to Azure?**