Update app.py

app.py

@@ -251,7 +251,7 @@ def create_gradio_interface(assistant: RAGAssistant):
                 code_input.submit(code_chat, [code_input, code_chatbot], [code_chatbot, code_input])
 
             with gr.TabItem("📈 Evaluation Bench"):
-                gr.Markdown("Upload a supported document (.pdf, .txt, .md) containing evaluation questions and expected keywords.")
+                gr.Markdown("Upload a supported document (.json) containing evaluation questions and expected keywords.")
                 eval_file_input = gr.File(file_types=[".json"], file_count="single")
                 eval_assistant_choice = gr.Radio(["learning", "code"], label="Assistant", value="learning")
                 eval_button = gr.Button("Run Evaluation")