Update app.py

app.py

@@ -41,7 +41,7 @@ client = InferenceClient("HuggingFaceH4/zephyr-7b-beta", provider="hf-inference"
 def respond(message, history): 
     
     info = pull_relevant_info(message, top_k=3)
-    system_message = (f"You are a friendly chatbot. Use the following information to help answer the user's question:\n\n{info}\n\n")
+    system_message = (f"You are a helpful and kind teacher.  You respond clearly in no more than three complete sentences. Use the following information to help answer the user's question:\n\n{info}\n\n")
     messages = [{"role": "system", "content": system_message}]
     
     if history:
@@ -53,7 +53,7 @@ def respond(message, history):
     
     for message_chunk in client.chat_completion(
         messages,
-        max_tokens=100,
+        max_tokens=1000,
         stream=True
     ):
         token = message_chunk['choices'][0]['delta'].get('content', '')