Update app.py

app.py

@@ -347,6 +347,13 @@ def build_ui():
     """Create a simple web UI that uses the same processing code above."""
     with gr.Blocks() as ui:
         gr.Markdown("## Document Extractor — Upload files to extract structured shipping data")
+        gr.Markdown("""
+        ### 💡 Tips:
+        - Upload multiple files for batch processing
+        - For images: ensure text is clear and well-lit
+        - For PDFs: both text-based and scanned PDFs work
+        - The AI will analyze visual content even if text extraction fails
+        """)
 
         with gr.Row():
             with gr.Column(scale=2):