Update app.py

app.py

@@ -33,6 +33,9 @@ with gr.Blocks(theme="ocean") as demo:
     with gr.Row():
         clear = gr.ClearButton([msg, chatbot, clipboard_textbox], value="Clear")
 
+    with gr.Row():
+        gr.HTML('Space based on <a href="https://huggingface.co/spaces/ysharma/chatbot_watermark_demo" target="_blank">earlier chatbot watermarking demo from Yuvraj Sharma</a>')
+
     def respond(message, chat_history):
         try:
             # Build messages list from chat history