Update app.py

app.py

@@ -31,7 +31,7 @@ def create_persona(text):
             response = openai.ChatCompletion.create(
                 model="gpt-3.5-turbo",
                 messages=[
-                    {"role": "system", "content": "You are a knowledgeable assistant."},
+                    {"role": "system", "content": "You are an expert at summarizing content to provide a factual persona."},
                     {"role": "user", "content": f"Create a persona based on this text: {text}"},
                 ]
             )