chore(python): feedback

Author: imabhichow

Examples/runtimes/python/Migration/plaintext_to_awsdbe/src/plaintext/README.md

@@ -2,12 +2,12 @@
 
 In Step 0, your system is in the starting state using plaintext DynamoDB operations:
 
-- reads items in plaintext format directly from DynamoDB
-- writes items in plaintext format directly to DynamoDB
-- cannot read items in the AWS Database Encryption SDK format
+- continue to read plaintext items
+- continue to write plaintext items
+- cannot read encrypted items
 
 This represents the baseline configuration before beginning the migration process.
-Your dataset consists only of data written in plaintext format.
+Your dataset consists only plaintext data.
 
 When operating in this state, your system has no client-side encryption in place,
 and all data is stored in plaintext in your DynamoDB tables.