Update app.py

app.py

@@ -77,10 +77,10 @@ def clear_all():
 
 # Create the Gradio interface
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
-    gr.Markdown("# RAG Multi-file Chat Application")
+    gr.Markdown("# RAG Multi-file, Multi-format Chat Application")
 
     with gr.Row():
-        file_input = gr.File(label="Select files to load", file_count="multiple")
+        file_input = gr.File(label="Select files to load (txt,csv,xlsx,docx,PDF)", file_count="multiple")
         load_btn = gr.Button("Load Documents")
 
     load_output = gr.Textbox(label="Load Status")