Update new_app.py

new_app.py

@@ -53,7 +53,8 @@ col1, col2 = st.columns(2)
 with col1:
     _, col = st.columns(2)
     with col:
-        st.header('Overpass Identifier')
+        st.header('Overpass Detector')
+        st.caption("This page runs a trained machine learning model to detect road overpasses in satellite imagery.")
 with col2:
     _, col, _ = st.columns(3)
     with col: