docs: Fix metadata, broken links, and style guide issues

Author: duongau

articles/firewall/create-ip-group.md

@@ -1,20 +1,19 @@
 ---
-title: Create IP Groups in Azure Firewall 
-description: IP Groups allow you to group and manage IP addresses for Azure Firewall rules.
-services: firewall
+title: Create IP Groups in Azure Firewall
+description: Create IP Groups to group and manage IP addresses for Azure Firewall rules.
 author: duongau
+ms.author: duau
 ms.service: azure-firewall
 ms.topic: how-to
-ms.date: 10/31/2022
-ms.author: duau 
-ms.custom: devx-track-azurepowershell, devx-track-azurecli 
+ms.date: 03/28/2026
+ms.custom: devx-track-azurepowershell, devx-track-azurecli
 ms.devlang: azurecli
 # Customer intent: "As a network administrator, I want to create and manage IP Groups for Azure Firewall, so that I can efficiently configure and enforce firewall rules based on grouped IP addresses."
 ---
 
 # Create IP Groups
 
-IP Groups allow you to group and manage IP addresses for Azure Firewall rules. They can have a single IP address, multiple IP addresses, or one or more IP address ranges.
+IP Groups help you group and manage IP addresses for Azure Firewall rules. They can include a single IP address, multiple IP addresses, or one or more IP address ranges.
 
 ## Create an IP Group - Azure portal
 
@@ -29,13 +28,13 @@ To create an IP Group by using the Azure portal:
 1. Select **Next: IP addresses**.
 1. Type an IP address, multiple IP addresses, or IP address ranges.
 
-   There are two ways to enter IP addresses:
-   - You can manually enter them
-   - You can import them from a file
+   Enter IP addresses in one of two ways:
+   - Manually enter them.
+   - Import them from a file.
 
-   To import from a file, select **Import from a file**. You may either drag your file to the box or select **Browse for files**. If necessary, you can review and edit your uploaded IP addresses.
+   To import from a file, select **Import from a file**. You can either drag your file to the box or select **Browse for files**. If necessary, you can review and edit your uploaded IP addresses.
 
-   When you type an IP address, the portal validates it to check for overlapping, duplicates, and formatting issues.
+   When you type an IP address, the portal validates it to check for overlapping, duplicates, and formatting problems.
 
 1. When finished, select **Review + Create**.
 1. Select **Create**.
@@ -49,7 +48,7 @@ $ipGroup = @{
     Name              = 'ipGroup'
     ResourceGroupName = 'Test-FW-RG'
     Location          = 'East US'
-    IpAddress         = @('10.0.0.0/24', '192.168.1.10') 
+    IpAddress         = @('10.0.0.0/24', '192.168.1.10')
 }
 
 New-AzIpGroup @ipGroup