diff --git a/website/docs/r/api_management_api_policy.html.markdown b/website/docs/r/api_management_api_policy.html.markdown
index 820a09f08980..e77172e1eb62 100644
--- a/website/docs/r/api_management_api_policy.html.markdown
+++ b/website/docs/r/api_management_api_policy.html.markdown
@@ -45,7 +45,8 @@ The following arguments are supported:
 
 * `resource_group_name` - (Required) The name of the Resource Group in which the API Management Service exists. Changing this forces a new resource to be created.
 
-* `xml_content` - (Optional) The XML Content for this Policy as a string. An XML file can be used here with Terraform's [file function](https://www.terraform.io/docs/configuration/functions/file.html) that is similar to Microsoft's `PolicyFilePath` option.
+* `xml_content` - (Optional) The XML Content for this Policy as a string. An XML file can be used here with Terraform's [file function](https://www.terraform.io/docs/configuration/functions/file.html) that is similar to Microsoft's `PolicyFilePath` option. If you need to pass variables into your XML file, use Terraform's [templatefile function](https://developer.hashicorp.com/terraform/language/functions/templatefile).
+
 
 * `xml_link` - (Optional) A link to a Policy XML Document, which must be publicly available.