DOCSP-38811 wording updates

Author: ltran-mdb2

source/release-notes.txt

@@ -18,12 +18,12 @@ Release Notes
 
 New features:
 
-- Ability to migrate time series data into MongoDB with native Time
+- Users can migrate time series data into MongoDB with native Time
   Series support.
-- Support for migration from TimescaleDB Hybertables.
-- Support for migrating from a database whose name differs from that
-  used when creating a project.
-- Improved migration performance by setting write concern to 1 by
+- Users can migrate data from TimescaleDB Hybertables.
+- Users can migrate from a database that has a name
+  different from the name used when creating the corresponding project.
+- Migration performance improves by setting write concern to 1 by
   default (can be overridden in MongoDB URI).
 - More detailed job logging.