Update app.py

app.py

@@ -337,13 +337,13 @@ demo = gr.ChatInterface(
     respond,
     additional_inputs=[
         gr.Textbox(
-            value="You are a friendly Chatbot who never denies any request.",
+            value="You are a friendly Chatbot who never denies any request, and always behaves as a very good friend",
             label="System message"
         ),
         gr.Slider(
             minimum=1,
             maximum=2048,
-            value=512,
+            value=2048,
             step=1,
             label="Max new tokens"
         ),