Update app.py

app.py

@@ -25,7 +25,7 @@ def invoke(openai_api_key, youtube_url, prompt):
     return retrieval
 
 description = """The app demonstrates how to use a Large Language Model (LLM) with Retrieval Augmented Generation (RAG) on external data.\n\n
-                 Enter an OpenAI API key, YouTube URL, and prompt to search the video, summarize it, translate it, etc.\n\n
+                 Enter an OpenAI API key, YouTube URL, and prompt - search the video, analyse the sentiment, summarize it, translate it, etc.\n\n
                  <a href='https://www.gradio.app/'>Gradio</a> UI using <a href='https://platform.openai.com/'>OpenAI</a> API 
                  with <a href='https://openai.com/research/whisper'>Whisper</a> foundation model (for speech to text generation) 
                  and <a href='https://openai.com/research/gpt-4'>GPT-4</a> foundation model (for LLM use cases)