diff --git a/deployment/windows/winget/get_product_code.ps1 b/deployment/windows/winget/get_product_code.ps1
index e12e2582..5ccf74f3 100644
--- a/deployment/windows/winget/get_product_code.ps1
+++ b/deployment/windows/winget/get_product_code.ps1
@@ -1,3 +1,5 @@
+# From https://stackoverflow.com/a/31919297
+
 $path = $args[0]
 
 $comObjWI = New-Object -ComObject WindowsInstaller.Installer