Update README.md

Azure Firewall/Policy - Azure Policy Definitions/Policy - Enable PAC file configuration while using Explicit Proxy on Azure Firewall/README.md

@@ -1,9 +1,7 @@
 ## Audit Azure Firewall Policies with Explicit Proxy and PAC File
-
-# Overview
 This custom Azure policy ensures that if Explicit Proxy is enabled, the PAC File must also be enabled.
 
-# Policy Details
+### Policy Details
 Display Name: Audit Azure Firewall Policies with Explicit Proxy and PAC File
 Version: 1.0.0
 Category: Network
@@ -12,5 +10,5 @@ Effect: Enable or disable the policy (Allowed Values: Audit, Disabled; Default:
 Policy Rule
 Checks if explicitProxy.enableExplicitProxy is true and explicitProxy.enablePacFile is not true. If both conditions are met, the policy applies the specified effect.
 
-# Usage
+### Usage
 Assign this policy to your Azure subscription or resource group and configure the Effect parameter as needed.