Merge pull request #48 from ajhuh-mdb/DOCSP-32401-change-language-private-preview

DOCSP-32401 Change 'Early Access' to 'Private Preview'

Author: jmd-mongo

source/installation.txt

@@ -36,11 +36,12 @@ For instructions on installing Relational Migrator, see the following pages:
 
    * - Kafka
 
-     - Suitable for larger production jobs. Integrates with your own Kafka infrastructure 
-       to provide enhanced resiliency.
+     - Suitable for larger production jobs. Integrates with your own Kafka 
+       infrastructure to provide enhanced resiliency.
 
      - The Kafka deployment model is not yet generally available, but you can 
-       reach out to your MongoDB account team to discuss early access opportunities.
+       reach out to your MongoDB account team to discuss private preview 
+       opportunities.
 
 .. toctree::
    :hidden: