docs: improve descriptions

Co-authored-by: zmstone <zmstone@gmail.com>

changes/ee/breaking-13327.en.md

@@ -1,3 +1,3 @@
 The directory path scheme for on-disk Kafka/Confluent/Azure Event Hub buffers has changed.  It now uses the Action name instead of the topic name.
 
-Updating to this version will invalidate (not use) old paths, and will require manual cleanup of the old directories.
+Upgrading to this version will invalidate (not use) old buffer files, and will require manual cleanup of the old directories.