dynamically update download msg

app.py

@@ -135,7 +135,7 @@ with gr.Blocks() as demo:
                         label="Submission Type",
                     )
                     download_button = gr.DownloadButton(
-                        label="📥 Download example submission CSV",
+                        label="📥 Download example submission CSV for GDPa1",
                         value=EXAMPLE_FILE_DICT["GDPa1"],
                         variant="secondary",
                     )
@@ -157,11 +157,14 @@ with gr.Blocks() as demo:
                 download_file = EXAMPLE_FILE_DICT.get(
                     submission_type, EXAMPLE_FILE_DICT["GDPa1"]
                 )
+                download_message = (
+                    f"📥 Download example submission CSV for {submission_type}"
+                )
                 return (
                     submission_type,
                     download_file,
                     gr.DownloadButton(
-                        label="📥 Download example submission CSV",
+                        label=download_message,
                         value=download_file,
                         variant="secondary",
                     ),