update demo description

app.py

@@ -107,9 +107,10 @@ replacements = [
 
 title = "Speech to Danish Speech Translation"
 description = """
-Demo for cascaded speech-to-speech translation (STST), mapping from source speech in any language to target speech in Danish. Demo uses OpenAI's [Whisper Base](https://huggingface.co/openai/whisper-base) model for speech translation, and JackismyShephard's
-[speecht5_tts-finetuned-nst-da](https://huggingface.co/JackismyShephard/speecht5_tts-finetuned-nst-da) model for text-to-speech:
-
+Demo for cascaded speech-to-speech translation (STST), mapping from source speech in any language to target speech in Danish. Demo uses: 
+1. OpenAI's [Whisper Base](https://huggingface.co/openai/whisper-base) model for speech to english text translation
+2. Facebook's [NLBB](https://huggingface.co/facebook/nllb-200-distilled-600M) model for english to danish text translation
+3. JackismyShephard's [speecht5_tts-finetuned-nst-da](https://huggingface.co/JackismyShephard/speecht5_tts-finetuned-nst-da) model for danish speech synthesis
 ![Cascaded STST](https://huggingface.co/datasets/huggingface-course/audio-course-images/resolve/main/s2st_cascaded.png "Diagram of cascaded speech to speech translation")
 """