change main text

app.py

@@ -63,7 +63,7 @@ def download_file():
     
 
 with gr.Blocks() as demo:
-    gr.Markdown("First upload a file and and then you'll be able download it (but only once!)")
+    gr.Markdown("First upload a pdf file and and then you'll be able download txt file")
     with gr.Row():
         u = gr.UploadButton("Upload a file", file_count="single",)
         d = gr.DownloadButton("Download the file", visible=False)