Update app.py

app.py

@@ -86,7 +86,7 @@ def query_documents(user_query):
 # Gradio interface combining document upload and query features
 with gr.Blocks() as demo:
     pdf_input = gr.File(file_count="multiple", label="Upload up to 10 PDF files")
-     process_btn = gr.Button("Process PDFs")
+    process_btn = gr.Button("Process PDFs")
     process_output = gr.Textbox(label="wait before success message for the document process")
     query_input = gr.Textbox(label="Enter your query", placeholder="Type a question here...")