Update app.py

app.py

@@ -122,7 +122,7 @@ demo = gr.ChatInterface(
             value="khanomtanllm-3b-instruct-q2_k.gguf",
             label="Model"
         ),
-        gr.Textbox(value="You are a helpful assistant.", label="System message"),
+        gr.Textbox(value="You are a helpful assistant.", label="System message", lines=6),
         gr.Slider(minimum=1, maximum=2048, value=2048, step=1, label="Max tokens"),
         gr.Slider(minimum=0.1, maximum=4.0, value=2.0, step=0.1, label="Temperature"),
         gr.Slider(