Try increasing max lines of text boxes

app.py

@@ -339,7 +339,8 @@ with demo:
     ).style(full_width=False)
 
     output_intro = gr.Textbox(
-        label="Output"
+        label="Output",
+        max_lines=1000
     )
   with gr.Tab("Body Paragraph"):
     gr.Markdown(BODY_DESCRIPTION)
@@ -351,7 +352,8 @@ with demo:
     ).style(full_width=False)
 
     output_body = gr.Textbox(
-        label="Output"
+        label="Output",
+        max_lines=1000
     )
   # with gr.Tab("Custom prompt"):
   #   gr.Markdown("This mode is for testing and debugging.")