Change 'demo' to 'application' for professional tone

app.py

@@ -22,7 +22,7 @@ def fetch_data(source_name, days_back=180):
 # Streamlit app interface
 st.title("⚡ Electricity Market Price Forecasting")
 st.write("""
-This demo uses **Amazon Chronos** pretrained models for zero-shot time series forecasting on electricity market data.
+This application uses **Amazon Chronos** pretrained models for zero-shot time series forecasting on electricity market data.
 Select a model, choose your data source, and evaluate forecasting performance with backtesting on real ERCOT prices.
 """)