Update legend labels

Hello,

I have been able to plot both my points of interest and regions on a single map (i.e. scatter map and choropleth). The legend is correctly labeled for the regions in my choropleth, but the scatter map shows β€˜trace 3’. Can someone let me know how I can change the label?

Here is my code:

fig = go.Figure()

for i, cluster in enumerate(df['Cluster'].unique()):
    dfp = df[df['Cluster'] == cluster]
    fig.add_choroplethmapbox(geojson=counties, 
                             locations=dfp['FIPS'],
                             z=[i,] * len(dfp), 
                             showlegend=True, 
                             name=cluster,
                             colorscale=colorscales[i], 
                             showscale=False)

fig.add_trace(go.Scattermapbox(
        lat=site_lat,
        lon=site_lon,
        mode='markers',
        marker=go.scattermapbox.Marker(
            size=5,
            color='rgb(0, 128, 0)',
            opacity=0.3
        ),
        text=locations_name,
        hoverinfo='text'
    ))

fig.update_layout(geo_scope='usa',
                  mapbox=dict(style="carto-positron", zoom=3,center={"lat": 37.0902, "lon": -95.7129},
                              ))


fig.show()