Update app.py

app.py

@@ -324,7 +324,7 @@ with st.container():
 
     # Add grayscale tiles from OpenStreetMap
     folium.TileLayer('https://tiles.stadiamaps.com/tiles/alidade_smooth/{z}/{x}/{y}{r}.png', 
-                     attr='© Stadia Maps', 
+                     attr='© Stadia Maps | Tiles courtesy of Stadia Maps',
                      name='grayscale').add_to(folium_layermap)
 
     # Add heatmap layers for 'Valor_Urb', 'Valor_Eqp', and 'RENDA'