diff --git a/messenger.rst b/messenger.rst
index a20578e9660..bb815485192 100644
--- a/messenger.rst
+++ b/messenger.rst
@@ -1012,7 +1012,7 @@ stream_max_entries  The maximum number of entries which    ``0`` (which means "n
 In Memory Transport
 ~~~~~~~~~~~~~~~~~~~
 
-The ``in-memory`` transport does not actually delivery messages. Instead, it
+The ``in-memory`` transport does not actually deliver messages. Instead, it
 holds them in memory during the request, which can be useful for testing.
 For example, if you have an ``async_priority_normal`` transport, you could
 override it in the ``test`` environment to use this transport: