Update public-ip-upgrade-cli.md

-------
cc: @asudbring

Author: cburuzie

articles/virtual-network/ip-services/public-ip-upgrade-cli.md

@@ -13,6 +13,9 @@ ms.devlang: azurecli
 
 # Upgrade a public IP address using the Azure CLI
 
+>[!Important]
+>On September 30, 2025, Basic SKU public IPs will be retired. For more information, see the [official announcement](https://azure.microsoft.com/updates/upgrade-to-standard-sku-public-ip-addresses-in-azure-by-30-september-2025-basic-sku-will-be-retired/). If you are currently using Basic SKU public IPs, make sure to upgrade to Standard SKU public IPs prior to the retirement date.
+
 Azure public IP addresses are created with a SKU, either Basic or Standard. The SKU determines their functionality including allocation method, feature support, and resources they can be associated with. 
 
 In this article, you'll learn how to upgrade a static Basic SKU public IP address to Standard SKU using the Azure CLI.
@@ -69,4 +72,4 @@ In this article, you upgraded a basic SKU public IP address to standard SKU.
 For more information on public IP addresses in Azure, see:
 
 - [Public IP addresses in Azure](public-ip-addresses.md)
-- [Create a public IP address using the Azure CLI](./create-public-ip-cli.md)
+- [Create a public IP address using the Azure CLI](./create-public-ip-cli.md)