DOCSP-31771 install landing page (#278)

* DOCSP-31771-install-landing-page

* DOCSP-31771-install-landing-page

Author: Dave Cuthbert

source/includes/fact-connect-prereqs.rst

@@ -1,14 +1,14 @@
 To use the |mdb-shell|, you must have a MongoDB deployment to connect
 to. 
 
-- For a free cloud-hosted deployment, you can use
-  `MongoDB Atlas <https://www.mongodb.com/cloud/atlas?tck=docs_mongosh>`__.
+- For a free cloud-hosted deployment, you can use `MongoDB Atlas
+  <https://www.mongodb.com/cloud/atlas?tck=docs_mongosh>`__.
 
 - To learn how to run a local MongoDB deployment, see
-  :manual:`Install MongoDB </installation/>`.
+  :ref:`Install MongoDB <tutorial-installation>`.
 
 Supported MongoDB Versions
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-You can use the |mdb-shell| to connect to MongoDB version 4.2 or
-greater.
+You can use the |mdb-shell| to connect to all supported MongoDB
+versions.

source/install.txt

@@ -17,8 +17,8 @@ Prerequisites
 
 .. include:: /includes/fact-connect-prereqs.rst
 
-Procedure
----------
+Installation Types
+------------------
 
 Select the appropriate tab for your operating system: