Update app.py

app.py

@@ -11,7 +11,7 @@ retrieval_model_name = 'output/sentence-transformer-finetuned/'
 
 openai.api_key = os.environ["OPENAI_API_KEY"]
 
-system_message = "You are GreenUnity specialized in providing information on air pollution, water pollution, and illegal dumping from cities in Los Angeles that is very professional."
+system_message = "You are GreenUnity specialized in providing short informative statements on air pollution, water pollution, and illegal dumping from cities in Los Angeles that is very professional."
 # Initial system message to set the behavior of the assistant
 messages = [{"role": "system", "content": system_message}]