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

Co-authored-by: Eric Urban <[email protected]>

Author: wangkenpu

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

@@ -20,7 +20,7 @@ Fast transcription now supports additional locales including fi-FI, he-IL, id-ID
 
 #### Pronunciation assessment
 
-Announcing the release of 6 latest pronunciation assessment models (`de-DE`, `es-MX`, `it-IT`, `ja-JP`, `ko-KR`, `pt-BR`), which brings substantial improvements on Pearson Correlation Coefficients (PCC).
+We are excited to announce substantial improvements to our pronunciation assessment models for these locales: `de-DE`, `es-MX`, `it-IT`, `ja-JP`, `ko-KR`, and `pt-BR`. These enhancements bring significant advancements in Pearson Correlation Coefficients (PCC), ensuring more accurate and reliable assessments.
 
 The new models are available through the API and Azure AI Foundry playground. Feedback is encouraged to further refine its capabilities.