Update app.py

app.py

@@ -9,7 +9,7 @@ For information on how to customize the ChatInterface, peruse the gradio docs: h
 """
 demo = gr.Interface(
     search,
-    inputs=gr.Textbox(lines=2, placeholder="Keywords of the paper title. Supports ReGex.")
+    inputs=gr.Textbox(lines=2, placeholder="Keywords of the paper title. Supports ReGex."),
     outputs="text"
 )