update model card

README.md

@@ -88,11 +88,11 @@ If you use this model, please cite:
 @misc{zalopay-vietnamese-tts,
   title={Zalopay Vietnamese Text-to-Speech Model},
   author={Zalopay},
-  year={2005},
+  year={2025},
   publisher={Hugging Face},
   url={https://huggingface.co/zalopay/vietnamese-tts}
 }
 ```
 
 ## **Acknowledgments**
-Special thanks to *(mention dataset providers, contributors, or funding sources if applicable)*.
+Special thanks to F5-TTS for providing such wonderful base model and framework