Update app.py

app.py

@@ -1,4 +1,8 @@
 import gradio as gr
+
+description = "Do you have a long document and bunch of questions that can be answered given the data in this file? Fear not because following demo can do it for you. Upload your pdf, ask question and wait for the magic to happen."
+title = "QA answering from a pdf"
+
 import numpy as np
 import time
 import hashlib