Update personal-voice-how-to-use.md

Author: sally-baolian

articles/ai-services/speech-service/personal-voice-how-to-use.md

@@ -23,13 +23,18 @@ You need to use [speech synthesis markup language (SSML)](./speech-synthesis-mar
 
 - The `speakerProfileId` property in SSML is used to specify the [speaker profile ID](./personal-voice-create-voice.md) for the personal voice.
 
-- The voice name is specified in the `name` property in SSML. For personal voice, the voice name must be set to `PhoenixV2Neural` or another supported base model voice name. To get a list of supported base model voice names, use the `BaseModels_List` operation of the custom voice API. 
+- The voice name is specified in the `name` property in SSML. For personal voice, the voice name must be one of the supported base model voice names. To get a list of supported base model voice names, use the `BaseModels_List` operation of the custom voice API.
+  
+  > [!NOTE]
+  > The voice names labeled with the `Latest`, such as `DragonLatestNeural` or `PhoenixLatestNeural`, will be updated from time to time; its performance may vary with updates for ongoing improvements. If you would like to use a stable version, select one labeled with a version number, such as `PhoenixV2Neural`.
 
+- `Dragon` is a base model with superior voice cloning similarity compared to `Phoenix`. `Phoenix` is a base model with more accurate pronunciation and lower latency than `Dragon`.  
+  
 Here's example SSML in a request for text to speech with the voice name and the speaker profile ID. 
 
 ```xml
 <speak version='1.0' xmlns='http://www.w3.org/2001/10/synthesis' xmlns:mstts='http://www.w3.org/2001/mstts' xml:lang='en-US'>
-    <voice name='PhoenixV2Neural'> 
+    <voice name='DragonLatestNeural'> 
     <mstts:ttsembedding speakerProfileId='your speaker profile ID here'> 
     I'm happy to hear that you find me amazing and that I have made your trip planning easier and more fun. 我很高兴听到你觉得我很了不起，我让你的旅行计划更轻松、更有趣。Je suis heureux d'apprendre que vous me trouvez incroyable et que j'ai rendu la planification de votre voyage plus facile et plus amusante.  
     </mstts:ttsembedding>