comment rewrite

Kully · Kully · commit be825a21b09d · 2018-02-13T13:55:51.000-05:00
diff --git a/plotly/figure_factory/_county_choropleth.py b/plotly/figure_factory/_county_choropleth.py
@@ -551,7 +551,7 @@ def create_choropleth(fips, values, scope=['usa'], endpts=None,
     py.iplot(fig, filename='choropleth_full_usa')
     ```
     """
-    # ensure shapely imported
+    # ensure optional modules imported
     if not gp or not shapefile or not shapely:
         raise ImportError("geopandas, shapefile and shapely must be "
                           "installed for this figure factory")
