diff --git a/windows-ad/populate_ad/run.ps1 b/windows-ad/populate_ad/run.ps1
index 94f0648..1bffc9e 100644
--- a/windows-ad/populate_ad/run.ps1
+++ b/windows-ad/populate_ad/run.ps1
@@ -1,5 +1,5 @@
 <#
-
+# https://registry.terraform.io/providers/hashicorp/template/latest/docs/data-sources/file.html
 data "template_file" "init" {
   template = "${file("populate_ad/run.ps1.tpl")}"