Update release-notes-tts.md

Author: sally-baolian

articles/ai-services/speech-service/includes/release-notes/release-notes-tts.md

@@ -11,10 +11,13 @@ ms.custom: references_regions
 
 #### OpenAI voices
 
-The Azure AI Speech service supports OpenAI text to speech voices in the following regions: North Central US and Sweden Central. Like Azure AI Speech voices, OpenAI text to speech voices deliver high-quality speech synthesis to convert written text into natural sounding spoken audio. This unlocks a wide range of possibilities for immersive and interactive user experiences. For more information, see [What are OpenAI text to speech voices?](../../openai-voices.md). 
+- The Azure AI Speech service supports OpenAI text to speech voices in the following regions: North Central US and Sweden Central. Like Azure AI Speech voices, OpenAI text to speech voices deliver high-quality speech synthesis to convert written text into natural sounding spoken audio. This unlocks a wide range of possibilities for immersive and interactive user experiences. For more information, see [What are OpenAI text to speech voices?](../../openai-voices.md).
 
-> [!NOTE]
-> OpenAI text to speech voices are also available in [Azure OpenAI Service](../../../openai/reference.md#text-to-speech). 
+  > [!NOTE]
+  
+  > OpenAI text to speech voices are also available in [Azure OpenAI Service](../../../openai/reference.md#text-to-speech). 
+  
+- With this update, we have adjusted the pricing of prebuilt neural voices with Azure AI Speech. Check the updated pricing [here](https://azure.microsoft.com/en-us/pricing/details/cognitive-services/speech-services).
 
 #### Personal voice