Add description and enhance formatting in background.md for Azure Cobalt 100 and Golang

Author: madeline-underwood

content/learning-paths/servers-and-cloud-computing/golang-on-azure/background.md

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-## Azure Cobalt 100 Arm-based processor
+## Microsoft Azure Cobalt 100 Arm-based processor
 
 Azure Cobalt 100 is Microsoft's first-generation, custom-designed Arm-based processor built on the advanced Arm Neoverse N2 architecture. This high-performance 64-bit CPU is specifically optimized for cloud-native, scale-out Linux workloads including web servers, application servers, real-time data analytics, open-source databases, and in-memory caching solutions.
 

content/learning-paths/servers-and-cloud-computing/golang-on-azure/create-instance.md

@@ -1,20 +1,20 @@
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-title: Create an Arm based cloud virtual machine using Microsoft Cobalt 100 CPU 
+title: Create Azure Cobalt 100 Arm64 Virtual Machine for Golang Deployment
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-## Introduction
+## Prerequisites and setup overview
 
 There are several ways to create an Arm-based Cobalt 100 virtual machine: 
 
-- The Azure console
+- The Azure Portal
 - The Azure CLI
 - An infrastructure as code (IaC) tool
 
-In this section, you will use the Azure console to create a virtual machine with the Arm-based Azure Cobalt 100 processor.
+In this section, you will launch the Azure Portal to create a virtual machine with the Arm-based Azure Cobalt 100 processor.
 
 This Learning Path focuses on general-purpose virtual machines in the Dpsv6 series. For more information, see the [Microsoft Azure guide for the Dpsv6 size series](https://learn.microsoft.com/en-us/azure/virtual-machines/sizes/general-purpose/dpsv6-series).