DOCSP-43751-mongosync-beta-reverse (#424) (#431)

* DOCSP-43751-mongosync-beta-reverse

* fix link

* moved note

* changed note

* moved note again

* copy

* added note in reverse page

* feedback

Author: gmiller-mdb

source/reference/beta-program.txt

@@ -97,6 +97,11 @@ Beta Features
        guidelines and restrictions for migrating between older server 
        versions, you must have access to the {+c2c-beta-program-short+} binary.
 
+.. note:: 
+
+   Mongosync :ref:`c2c-api-reverse` mode is not compatible with any beta 
+   features except :ref:`c2c-beta-orr`.
+
 Feature Compatibility Matrix
 ----------------------------