Update play-ai-action.md

update based on feedback from Bharat

Author: valindrae

articles/communication-services/concepts/call-automation/play-ai-action.md

@@ -13,7 +13,7 @@ ms.custom: private_preview
 
 # Playing audio in calls
 
-The play action provided through the call automation SDK allows you to play audio prompts to participants in the call. This action can be accessed through the server-side implementation of your application. You can play audio to call participants through one of two methods;
+The play action provided through the ACS Call Automation SDK allows you to play audio prompts to participants in the call. This action can be accessed through the server-side implementation of your application. You can play audio to call participants through one of two methods;
 - Providing ACS access to pre-recorded audio files of WAV format, that ACS can access with support for authentication
 - Regular text that can be converted into speech output through the integration with Azure Cognitive Services.