Merge pull request #118903 from hyoshioka0128/patch-769

Typo "a Azure load balancer"→"an Azure load balancer"

Author: Court72

articles/load-balancer/configure-vm-scale-set-portal.md

@@ -30,7 +30,7 @@ Sign in to the [Azure portal](https://portal.azure.com).
 In this section, you'll create a Virtual Machine Scale Set in the Azure portal with an existing Azure load balancer.
 
 > [!NOTE]
-> The following steps assume a virtual network named **myVNet** and a Azure load balancer named **myLoadBalancer** has been previously deployed.
+> The following steps assume a virtual network named **myVNet** and an Azure load balancer named **myLoadBalancer** has been previously deployed.
 
 1. On the top left-hand side of the screen, select **Create a resource** and search for **Virtual Machine Scale Set** in the marketplace search.