updates

Author: ovishesh

articles/communication-services/quickstarts/telephony/includes/call-automation/redirect-pstn-call-java.md

@@ -41,7 +41,7 @@ Update your application's POM file to use Java 8 or higher.
 
 ## Configure Azure SDK Dev Feed
 
-Since the Call Automation SDK version used in this quick start is not yet available in Maven Central Repository, we need to add an Azure Artifacts development feed, which contains the latest version of the Call Automation SDK.  
+Since the Call Automation SDK version used in this quick start isn't yet available in Maven Central Repository, we need to add an Azure Artifacts development feed, which contains the latest version of the Call Automation SDK.  
 
 Add the [azure-sdk-for-java feed](https://dev.azure.com/azure-sdk/public/_artifacts/feed/azure-sdk-for-java) to your `pom.xml`. Follow the instructions after clicking the “Connect to Feed” button.
 

articles/communication-services/quickstarts/voice-video-calling/callflows-for-customer-interactions.md

@@ -21,7 +21,7 @@ zone_pivot_groups: acs-csharp-java
 
 In this tutorial, you'll learn how to build applications that use Azure Communication Services Call Automation to handle common customer support scenarios, such as:
 - receiving notifications for incoming calls to a phone number using Event Grid
-- answering the call and play audio file using Call Automation SDK
+- answering the call and playing an audio file using Call Automation SDK
 - adding a communication user to the call using Call Automation SDK. This user can be a customer service agent who uses a web application built using Calling SDKs to connect to Azure Communication Services