diff --git a/aodh/notifier/zaqar.py b/aodh/notifier/zaqar.py
index c9356970b..e59df36db 100644
--- a/aodh/notifier/zaqar.py
+++ b/aodh/notifier/zaqar.py
@@ -42,7 +42,7 @@ class ZaqarAlarmNotifier(notifier.AlarmNotifier):
     To create a new subscription in the service project, use a notification URL
     of the form:
 
-        zaqar://?topic=example&subscriber=test@example.com&ttl=3600
+        zaqar://?topic=example&subscriber=mailto%3A//test%40example.com&ttl=3600
 
     Multiple subscribers are allowed. ``ttl` is the time to live of the
     subscription. The queue will be created automatically, in the service