Update speech-synthesis-markup-voice.md

Author: sally-baolian

articles/cognitive-services/Speech-Service/speech-synthesis-markup-voice.md

@@ -206,16 +206,16 @@ This SSML snippet illustrates how the `role` attribute is used to change the rol
 
 Your custom neural voice can be trained to speak with some preset styles such as cheerful, sad, and whispering. You can also [train a custom neural voice](how-to-custom-voice-create-voice.md?tabs=multistyle#train-your-custom-neural-voice-model) to speak in a custom style as determined by your training data. To use your custom neural voice style in SSML, specify the style name that you previously entered in Speech Studio.
 
-This example uses a custom voice named "my-custom-voice". The custom voice speaks with the "cheerful" preset style, and then with a custom style named "my-custom-style". 
+This example uses a custom voice named "my-custom-voice". The custom voice speaks with the "cheerful" preset style and style degree of "2", and then with a custom style named "my-custom-style" and style degree of "0.01". 
 
 ```xml
 <speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis"
        xmlns:mstts="https://www.w3.org/2001/mstts" xml:lang="en-US">
     <voice name="my-custom-voice">
-        <mstts:express-as style="cheerful">
+        <mstts:express-as style="cheerful" styledegree="2">
             That'd be just amazing!
         </mstts:express-as>
-        <mstts:express-as style="my-custom-style">
+        <mstts:express-as style="my-custom-style" styledegree="0.01">
             What's next?
         </mstts:express-as>
     </voice>