Add notice

Author: rkoron007

content/terraform/v1.13.x/docs/language/stacks/update-GA.mdx

@@ -22,11 +22,11 @@ The general availability release of Stacks introduced a few backward-incompatibl
 - Stacks no longer support the `<NAME>.tfstack.hcl` file extension.
   - The new extension for configuring your Stack components is `<NAME>.tfcomponent.hcl`. The file name change better reflects the mental model of a component-based configuration.
 
-## Billing Changes
+## Billing changes
 
 The Stacks public beta did not count toward your HCP Terraform organization's Resources Under Management (RUM). With the GA release, Stacks RUM is aggregated with your workspace RUM for billing purposes.
 
-### Billing Dashboard
+### Billing dashboard
 
 The HCP Terraform usage page has been updated to reflect the new billing metrics, including:
 
@@ -37,6 +37,13 @@ The HCP Terraform usage page has been updated to reflect the new billing metrics
 
 For more information on billing, refer to the [HCP Terraform pricing page](https://www.hashicorp.com/en/pricing).
 
+
+## UI changes
+
+You can no longer destroy Stack deployments from the HCP Terraform UI. To destroy a Stack deployment, add the [`destroy` argument](/terraform/language/block/stack/deploy/deployment#destroy) to a `deployment` block, then trigger a new deployment run.
+
+To learn more about destroying Stacks and their deployments, refer to [Destroy a Stack](/terraform/cloud-docs/stacks/destroy).
+
 ## Steps for migration
 
 If you used Stacks during the public beta, you need to take a few steps to transition your existing configurations to the GA release.