last set of PR feedback edits.

Author: BrianMouncer

articles/cognitive-services/Speech-Service/releasenotes.md

@@ -18,8 +18,9 @@ ms.custom: seodec18
 ## Speech SDK 1.8.0: 2019-November release
 
 **New Features**
-*   Added a FromHost() API.
+*   Added a FromHost() API, to ease use with on-prem containers and sovereign coulds.
 *   Added Automatic Source Language Detection for Speech Recognition (in Java and C++)
+*   Added SourceLanguageConfig object for Speech Recognition, used to specify expected source languages (in Java and C++)
 *   Added KeywordRecognizer support on Windows (UWP), Android and iOS through the Nuget and Unity packages
 *   Added Remote Conversation Java API to do Conversation Transcription in asynchronous batches.