Update app.py

app.py

@@ -132,7 +132,7 @@ with gr.Blocks(theme=gr.themes.Soft(), css="#textbox_id {color: red; font-samily
         )
         separator_selection = gr.Textbox(
             elem_id="textbox_id",
-            value=["\n\n", "\n", ".", " ", ""],
+            value=["\n### ", "\n\n", "\n", ".", " ", ""],
             info="Separators used in RecursiveCharacterTextSplitter",
             show_label=False, # or set label to an empty string if you want to keep its space
             visible=False,