add placeholder

app.py

@@ -133,7 +133,12 @@ if __name__ == "__main__":
     gr.Interface(
         proc_submission,
         inputs=[
-            gr.inputs.Textbox(lines=10, label="input text"),
+            gr.inputs.Textbox(
+                lines=10,
+                max_lines=30,
+                label="input text",
+                placeholder="Enter text to summarize, the text will be cleaned and truncated to 512 words on Spaces. Narrative, academic (both papers and lecture transcription), and article text work well.",
+            ),
             gr.inputs.Slider(
                 minimum=1, maximum=6, label="num_beams", default=4, step=1
             ),