fix landing page include

Author: jeff-allen-mongo

source/index.txt

@@ -18,7 +18,7 @@ What is MongoDB?
    .. button:: Get started with MongoDB Atlas
       :uri: https://www.mongodb.com/cloud?tck=docs_server
 
-   .. include:: /includes/rapid-release.rst
+   .. include:: /includes/rapid-release-short.rst
 
 .. image:: /images/hero.png
    :alt: Homepage hero image