DOCSP-33244: spark compatibility updates (#180)

* DOCSP-33244: spark compatibility updates

(cherry picked from commit d9bf0a2)

Author: Chris Cho

source/includes/list-prerequisites.rst

@@ -4,8 +4,8 @@
   `MongoDB white paper <https://www.mongodb.com/collateral/apache-spark-and-mongodb-turning-analytics-into-real-time-action>`__
   for more details.
 
-- Running MongoDB instance (version 4.0 or later).
+- MongoDB version 4.0 or later
 
-- Spark version 3.1 or later.
+- Spark version 3.1 through 3.2.4
 
-- Java 8 or later.
+- Java 8 or later

source/index.txt

@@ -41,7 +41,7 @@ versions of Apache Spark and MongoDB:
      - MongoDB Version
 
    * - **{+current-version+}**
-     - **3.1 or later**
+     - **3.1 through 3.2.4**
      - **4.0 or later**
 
 .. toctree::