fix broken links

Author: PhilKang0704

articles/governance/policy/concepts/effect-deploy-if-not-exists.md

@@ -72,7 +72,7 @@ The `details` property of the DeployIfNotExists effect has all the subproperties
   - A _location_ property must be specified in the _Deployment_ when using subscription level deployments.
   - Default is _ResourceGroup_.
 - `deployment` (required)
-  - This property should include the full template deployment as it would be passed to the `Microsoft.Resources/deployments` PUT API. For more information, see the [Deployments REST API](/rest/api/resources/deployments).
+  - This property should include the full template deployment as it would be passed to the `Microsoft.Resources/deployments` PUT API. For more information, see the [Deployments REST API](/azure/azure-resource-manager/templates/deploy-rest).
   - Nested `Microsoft.Resources/deployments` within the template should use unique names to avoid contention between multiple policy evaluations. The parent deployment's name can be used as part of the nested deployment name via `[concat('NestedDeploymentName-', uniqueString(deployment().name))]`.
 
   > [!NOTE]