Update CHANGELOG.md

Updated ChangeLog

CHANGELOG.md

@@ -4,27 +4,31 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-
 ## [2.0.0] - 2020-12-28
-- migrated to use Lambda@Edge and Cloudfront to insert WebVTT caption data
-- migrated to persist caption data in Dynamo
-- migrated Amazon Transcribe Streaming to ECS intances
-- added SNS topic that triggers on each new sentence
-- migrated to Lambda@Edge so more features from AWS MediaLive are natively supported
+- Changed AWS Elemental MediaLive to use single pipeline channel so only one video input is needed now.
+- Reduced cost by switching to single-pipeline Medialive channel.
+- Added Amazon Transcribe vocabulary filtering to remove unwanted words
+- Improved AWS Elemental MediaLive native feature support
+- SNS Topic used to trigger AWS Lambda that utilizes AWS Translate to generate output languages. 
+- Migrated to Lambda@Edge in Cloudfront to insert WebVTT caption data
+- Reduced video latency by using Amazon Lambda at Edge for subtitle insertion
+- DynamoDB used to store Amazon Transcribe Streaming output
+- Improved Amazon Transcribe streaming implementation by using Amazon Elastic Container
+Service
+- Removed NodeJS version of Custom Resources. 
 
 
 ## [1.0.3] - 2019-12-19
-- migrated nodejs 8.x to 12.x
-- migrated python 3.6 to 3.8
+- Updated NodeJS 8.x to 12.x
+- Updated python 3.6 to 3.8
 
 
 ## [1.0.2] - 2019-04-29
-- updated MediaLiveRole and MediaLivePolicy
-- added MediaConnect support
+- Updated MediaLiveRole and MediaLivePolicy
+- Added MediaConnect support
 
 ## [1.0.1] - 2019-04-04
-- added additional supported Amazon Translate langagues
+- Added additional supported Amazon Translate langagues
 
 ## [1.0.0] - 2019-03-08
-
-- initial release
+- Initial release