Update app.py

app.py

@@ -87,7 +87,7 @@ def generate_summary(transcript_text: str) -> str:
 def get_chat_response(transcript_text: str, conversation_history: list, user_query: str) -> str:
     """Generate a chat response using the transcript as context."""
     messages = conversation_history + [
-        {"role": "user", "content": f"Based on the following document:\n\n{transcript_text}\n\nQuestion: {user_query}"}
+        {"role": "user", "content": f"Based on the video transcript:\n\n{transcript_text}\n\nQuestion: {user_query}"}
     ]
     completion = client.chat.completions.create(model="gpt-4o-mini", messages=messages)
     return completion.choices[0].message.content.strip()