Update app.py

app.py

@@ -67,7 +67,7 @@ with block:
     with gr.Row():
         message = gr.Textbox(
             label="What's your question?",
-            placeholder="Ask questions about the most recent state of the union",
+            placeholder="Ask questions about anything covered in the H2 Economics syllabus",
             lines=1,
         )
         submit = gr.Button(value="Send", variant="secondary").style(full_width=False)