update doc

Author: jimxiei

articles/cognitive-services/Speech-Service/includes/how-to/conversation-transcription/real-time-csharp.md

@@ -107,7 +107,7 @@ This sample code does the following:
 * Creates a `ConversationTranscriber` using the constructor, and subscribes to the necessary events.
 * Adds participants to the conversation. The strings `voiceSignatureStringUser1` and `voiceSignatureStringUser2` should come as output from the steps above from the function `GetVoiceSignatureString()`.
 * Joins the conversation and begins transcription.
-* If you want to differentiate speakers but no voice samples input, please enables `DifferentiateGuestSpeakers` feature as in [Conversation Transcription Overview](../../../conversation-transcription.md). 
+* If you want to differentiate speakers without providing voice samples, please enable `DifferentiateGuestSpeakers` feature as in [Conversation Transcription Overview](../../../conversation-transcription.md). 
 
 > [!NOTE]
 > `AudioStreamReader` is a helper class you can get on [GitHub](https://github.com/Azure-Samples/cognitive-services-speech-sdk/blob/master/quickstart/csharp/dotnet/conversation-transcription/helloworld/AudioStreamReader.cs).

articles/cognitive-services/Speech-Service/includes/how-to/conversation-transcription/real-time-javascript.md

@@ -72,7 +72,7 @@ This sample code does the following:
 * Creates a `ConversationTranscriber` using the constructor.
 * Adds participants to the conversation. The strings `voiceSignatureStringUser1` and `voiceSignatureStringUser2` should come as output from the steps above.
 * Registers to events and begins transcription.
-* If you want to differentiate speakers but no voice samples input, please enables `DifferentiateGuestSpeakers` feature as in [Conversation Transcription Overview](../../../conversation-transcription.md). 
+* If you want to differentiate speakers without providing voice samples, please enable `DifferentiateGuestSpeakers` feature as in [Conversation Transcription Overview](../../../conversation-transcription.md). 
 
 ```javascript
 (function() {