Update app.py

app.py

@@ -84,6 +84,9 @@ Ready to enhance your AI training data and unlock the full potential of your mod
 def main():
     st.set_page_config(page_title="Gretel", layout="wide")
     st.title("🎨 Gretel Navigator: Enhance Your AI Training Data")
+    st.write(
+        "Generate diverse synthetic training data from text or existing datasets to improve the performance and robustness of your AI models."
+    )
 
     with st.expander("Introduction", expanded=False):
         st.markdown(WELCOME_MARKDOWN)