diff --git a/mail_tracking_mailgun/README.rst b/mail_tracking_mailgun/README.rst
index 67eb4276d..7b7b49caa 100644
--- a/mail_tracking_mailgun/README.rst
+++ b/mail_tracking_mailgun/README.rst
@@ -73,6 +73,7 @@ Known issues / Roadmap
 ======================
 
 * There's no support for more than one Mailgun mail server.
+* There's no support for webhooks, only for legacy webhooks
 
 Bug Tracker
 ===========