diff --git a/docs/source/traits_user_manual/notification.rst b/docs/source/traits_user_manual/notification.rst
index e18a3d5b1..2d4f1de62 100644
--- a/docs/source/traits_user_manual/notification.rst
+++ b/docs/source/traits_user_manual/notification.rst
@@ -316,7 +316,7 @@ it is invoked. The following example shows the first option:
 Async Notification Handlers
 ```````````````````````````
 
-Since Traits 8.0 you can use an async coroutine as an observe handler, either
+Since Traits 7.0 you can use an async coroutine as an observe handler, either
 with an |@observe| decorator::
 
     class AsyncExample(HasTraits):