Corrected lang ids

Author: IEvangelist

articles/cognitive-services/Speech-Service/includes/how-to/text-to-speech-basics/text-to-speech-basics-javascript.md

@@ -21,15 +21,15 @@ Additionally, depending on the target environment use one of the following:
 
 # [import](#tab/import)
 
-```javascriptscript
+```javascript
 import * as sdk from "microsoft-cognitiveservices-speech-sdk";
 ```
 
 For more information on `import`, see <a href="https://javascript.info/import-export" target="_blank">export and import <span class="docon docon-navigate-external x-hidden-focus"></span></a>.
 
 # [require](#tab/require)
 
-```javascriptscript
+```javascript
 const sdk = require("microsoft-cognitiveservices-speech-sdk");
 ```