Update app.py

app.py

@@ -1,16 +1,21 @@
 import gradio as gr
 from rag_pipeline import load_rag_chain
 
+# Load the RAG chain once
 rag_chain = load_rag_chain()
 
+# Gradio interface
 def ask_question(query):
     result = rag_chain.invoke(query)
     return result['result']
 
-iface = gr.Interface(fn=ask_question,
-                     inputs=gr.Textbox(lines=3, label="Ask a Question"),
-                     outputs="text",
-                     title="Custom PDF RAG Chatbot")
+iface = gr.Interface(
+    fn=ask_question,
+    inputs=gr.Textbox(lines=3, placeholder="Ask something from your PDF...", label="Your Question"),
+    outputs="text",
+    title="🧠 Custom PDF Chatbot (Hugging Face)",
+    description="Ask questions from your own uploaded PDF data."
+)
 
 if __name__ == "__main__":
-    iface.launch()
+    iface.launch()