diff --git a/website/docs/r/api_management_api_policy.html.markdown b/website/docs/r/api_management_api_policy.html.markdown
index 86771c701359..3646200f3e2d 100644
--- a/website/docs/r/api_management_api_policy.html.markdown
+++ b/website/docs/r/api_management_api_policy.html.markdown
@@ -46,7 +46,7 @@ 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.
+* `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_link` - (Optional) A link to a Policy XML Document, which must be publicly available.