diff --git a/doc/source/reference/notifications.rst b/doc/source/reference/notifications.rst
index 52d7a0eeb5..788b3bccde 100644
--- a/doc/source/reference/notifications.rst
+++ b/doc/source/reference/notifications.rst
@@ -293,7 +293,7 @@ payload.
 
 Note that the notification's publisher instance can be created two different
 ways. It can be created by instantiating the ``NotificationPublisher`` object
-with a ``host`` and a ``binary`` string parameter or it can be generated from a
+with a ``host`` and a ``source`` string parameter or it can be generated from a
 ``Service`` object by calling ``NotificationPublisher.from_service_obj``
 function.