diff --git a/doc/examples/authentication.rst b/doc/examples/authentication.rst
index 51a9c3e82..581a90ac8 100644
--- a/doc/examples/authentication.rst
+++ b/doc/examples/authentication.rst
@@ -8,7 +8,7 @@ Python module and MongoDB version dependencies.
 MONGODB-CR
 ----------
 MONGODB-CR is the default authentication mechanism supported by a MongoDB
-cluster configured for authentication. Authentication is per-database and
+deployment configured for authentication. Authentication is per-database and
 credentials can be specified through the MongoDB URI or passed to the
 :meth:`~pymongo.database.Database.authenticate` method::