Update app.py

app.py

@@ -638,14 +638,7 @@ with demo:
 
     ########################## Main document Part ##########################
 
-    gr.Markdown("<hr />")
-    gr.Markdown("## Step 2.1: Select the document you want to encrypt\n\n"
-        """To make it simple, we pre-compiled the following document, but you are free to choose 
-        on which part you want to run this example.
-        """
-    )
-
-    with gr.Row():
+    with gr.Row(visible=False):
         with gr.Column(scale=5):
             original_sentences_box = gr.CheckboxGroup(
                 ORIGINAL_DOCUMENT,