revise warning

Author: duongau

articles/expressroute/expressroute-troubleshooting-arp-resource-manager.md

@@ -3,31 +3,30 @@ title: 'Azure ExpressRoute: ARP tables - Troubleshooting'
 description: This page provides instructions on getting the Address Resolution Protocol (ARP) tables for an ExpressRoute circuit
 services: expressroute
 author: duongau
-
 ms.service: expressroute
 ms.topic: troubleshooting
-ms.date: 12/15/2020
+ms.date: 01/05/2022
 ms.author: duau
 ms.custom: seodec18, devx-track-azurepowershell
 
 ---
 # Getting ARP tables in the Resource Manager deployment model
+
 > [!div class="op_single_selector"]
 > * [PowerShell - Resource Manager](expressroute-troubleshooting-arp-resource-manager.md)
 > * [PowerShell - Classic](expressroute-troubleshooting-arp-classic.md)
 > 
-> 
 
 This article walks you through the steps to learn the ARP tables for your ExpressRoute circuit.
 
 > [!IMPORTANT]
 > This document is intended to help you diagnose and fix simple issues. It is not intended to be a replacement for Microsoft support. You must open a support ticket with [Microsoft support](https://portal.azure.com/?#blade/Microsoft_Azure_Support/HelpAndSupportBlade) if you are unable to solve the problem using the guidance described below.
 > 
-> 
 
 [!INCLUDE [updated-for-az](../../includes/hybrid-az-ps.md)]
 
 ## Address Resolution Protocol (ARP) and ARP tables
+
 Address Resolution Protocol (ARP) is a layer 2 protocol defined in [RFC 826](https://tools.ietf.org/html/rfc826). ARP is used to map the Ethernet address (MAC address) with an ip address.
 
 The ARP table provides the following information for both the primary and secondary interfaces for each peering types:

articles/frontdoor/front-door-custom-domain-https.md

@@ -157,12 +157,12 @@ Azure Front Door can now access this key vault and the certificates it contains.
     - The available secret versions.
 
     > [!NOTE]
-    >  In order for the certificate to be automatically rotated to the latest version when a newer version of the certificate is available in your Key Vault, please set the secret version to 'Latest'. If a specific version is selected, you have to re-select the new version manually for certificate rotation. It takes up to 72 hours for the new version of the certificate/secret to be deployed.
+    >  In order for the certificate to be automatically rotated to the latest version when a newer version of the certificate is available in your Key Vault, set the secret version to 'Latest'. If a specific version is selected, you have to re-select the new version manually for certificate rotation. It takes up to 72 hours for the new version of the certificate/secret to be deployed.
     >
     > :::image type="content" source="./media/front-door-custom-domain-https/certificate-version.png" alt-text="Screenshot of selecting secret version on update custom domain page.":::
 
     > [!WARNING]
-    > This is a portal only warning. Besides configuring Service Principal to have Get permission on the Key Vault, for the user to be able to see the certificate in the portal dropdown, the user account itself need to have LIST and GET permission on the Key Vault. If the user doesn't have these permissions, they will see inaccessible error message on portal. However, the inccessible error message doesn't have impact on certificate autorotation or any HTTPS function. No action is required for this error message if you don't intend to make changes to the certificate or version. But if you want to change anything in this page, please follow [Provide pemrission to Key Vault](https://learn.microsoft.com/en-us/azure/key-vault/general/rbac-guide?tabs=azure-cli) to add your account to the LIST and GET permission on the Key Vault.
+    > This is an Azure portal only warning. You need to configure your service principal to have a GET permission on the Key Vault. In order for a user to see the certificate in the portal drop-down, the user account must have LIST and GET permissions on the Key Vault. If a user doesn't have these permissions, they'll see an inaccessible error message in portal. An inaccessible error message doesn't have any impact on certificate auto-rotation or any HTTPS function. No actions are required for this error message if you don't intend to make changes to the certificate or the version. If you want to change the information on this page, see [provide permission to Key Vault](../key-vault/general/rbac-guide.md?tabs=azure-cli) to add your account to the LIST and GET permission of the Key Vault.
 
 
 5. When you use your own certificate, domain validation isn't required. Continue to [Wait for propagation](#wait-for-propagation).