add text about audio duration in step 1

app.py

@@ -255,7 +255,13 @@ with gr.Blocks(
 
 	with gr.Row():
 		with gr.Column():
-			gr.HTML("<p><b>Step 1:</b> Upload an audio file or record with your microphone.</p>")
+			gr.HTML(
+				"<p><b>Step 1:</b> Upload an audio file or record with your microphone.</p>"
+
+				"<p style='color: #A0A0A0;'>This demo supports audio files up to 10 mins long. "
+				"You can transcribe longer files locally with this NeMo "
+				"<a href='https://github.com/NVIDIA/NeMo/blob/main/examples/asr/speech_multitask/speech_to_text_aed_chunked_infer.py'>script</a>.</p>"
+			)
 
 			audio_file = gr.Audio(sources=["microphone", "upload"], type="filepath")