Refer to extension docs for Client::startSession() options

Author: jmikola

docs/includes/apiargs-MongoDBClient-method-startSession-option.yaml

@@ -23,14 +23,14 @@ Definition
 
       function startSession(array $options = []): MongoDB\Driver\Session
 
-   The ``$options`` parameter supports the following options:
-
-   .. include:: /includes/apiargs/MongoDBClient-method-startSession-option.rst
+   Refer to the :php:`MongoDB\\Driver\\Manager::startSession()
+   <mongodb-driver-manager.startsession>` extension reference for accepted
+   options.
 
 Return Values
 -------------
 
-A :php:`MongoDB\Driver\Session <mongodb-driver-session>`
+A :php:`MongoDB\Driver\Session <mongodb-driver-session>` object.
 
 Errors/Exceptions
 -----------------