diff --git a/docs/roadmap.md b/docs/roadmap.md
index f0691acbb824beca1c53695fa8d2fc2cc75282bb..cecb318b1d94aac4b7ac6ff550d975693e07e2d9 100644
--- a/docs/roadmap.md
+++ b/docs/roadmap.md
@@ -23,6 +23,8 @@ created outside of CiviCRM (eg. via WooCommerce, Stripe Dashboard).
 
 ### Estimate: 16 hours.
 
+See https://github.com/mjwconsult/civicrm-stripewebhookrules for a partial implementation.
+
 ## UI to map customers to CiviCRM contacts
 
 Based on the existing `Stripe.Importcustomers` API we can build a UI in CiviCRM that allows to manually