Update app.py

app.py

@@ -27,7 +27,7 @@ def invoke(openai_api_key, youtube_url, prompt):
     return content
 
 description = """The app demonstrates how to use a <strong>Large Language Model</strong> (LLM) with <strong>Retrieval Augmented Generation</strong> (RAG) on external data. 
-                 Enter an OpenAI API key, YouTube URL, and prompt to search the video, analyse its sentiment, summarize it, translate it, etc.\n\n
+                 Enter an OpenAI API key, YouTube URL (external data), and prompt to search the video, analyse its sentiment, summarize it, translate it, etc.\n\n
                  Implementation: <a href='https://www.gradio.app/'>Gradio</a> UI using <a href='https://platform.openai.com/'>OpenAI</a> API 
                  via AI-first toolkit <a href='https://www.langchain.com/'>LangChain</a> with foundation models 
                  <a href='https://openai.com/research/whisper'>Whisper</a> (speech to text) and <a href='https://openai.com/research/gpt-4'>GPT-4</a> (LLM use cases)."""