Update app.py

app.py

@@ -126,7 +126,7 @@ with gr.Blocks(css=css,theme = gr.themes.Soft()) as demo:
         
         with gr.Column():
             pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
-            prompt = gr.Textbox(label="Behaviour Prompt", placeholder="Reply to all questions as a rap / Reply to all questions in Hindi etc. ")
+            prompt = gr.Textbox(label="Behaviour Prompt (optional)", placeholder="Reply to all questions as a rap / Reply to all questions in Hindi etc. ")
             #repo_id = gr.Dropdown(label="LLM", choices=["google/flan-ul2", "OpenAssistant/oasst-sft-1-pythia-12b", "bigscience/bloomz"], value="google/flan-ul2")
             with gr.Row():
                 langchain_status = gr.Textbox(label="Status", placeholder="", interactive=False)