minor fix on changing the SEC expanded model path

app.py

@@ -78,7 +78,7 @@ with gr.Blocks() as demo:
         with gr.Column(scale=1):
             modify_system = gr.Button("🛠️ Set system prompt and clear history.", scale=2)
         system_state = gr.Textbox(value=default_system, visible=False)
-    chatbot = gr.Chatbot(label='arcee-ai/Saul-Base-Calme-7B-Instruct-slerp')
+    chatbot = gr.Chatbot(label='arcee-ai/Mistral-7B-Instruct-v0.2-expanded-sec-1.6B-tokens')
     textbox = gr.Textbox(lines=2, label='Input')
 
     with gr.Row():