Incorporate review feedback

Author: dacharyc

source/includes/sync-memory-performance.rst

@@ -1,5 +1,5 @@
 Every write transaction for a subscription set has a performance cost. If you 
-need to make multiple updates to a Realm object during a session, consider
+need to make multiple updates to an SDK object during a session, consider
 keeping edited objects in memory until all changes are complete. This 
-improves sync performance by only writing the complete and updated object to your
-realm instead of every change.
+improves sync performance by only writing the complete and updated object to
+your database instead of every change.

source/sdk/sync/write-to-synced-database.txt

@@ -226,7 +226,7 @@ write occurs.
 
 .. _sdks-writes-outside-subscription:
 
-Writes that Don't Match the Query Subscription
+Writes That Don't Match the Query Subscription
 ``````````````````````````````````````````````
 
 You can only write objects to a synced database if they match the 
@@ -331,8 +331,8 @@ database is already open in the main app, or is syncing data in the background,
 you may see a crash related to ``Realm::MultiSyncAgents``. In this scenario,
 you may need to restart the device.
 
-Alternatives to Writing to a Synced Database in an Multiple Processes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Alternatives to Writing to a Synced Database in Multiple Processes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 If you need to read from or write to a synced database in more than one
 process, there are a few recommended alternatives: