message: Doc review: reword confusing sentence
diff: @@ -179,8 +179,8 @@ Weighted version
  A weighted version for Alpha complex is available. It is like a usual Alpha complex, but based on a
  `CGAL regular triangulation <https://doc.cgal.org/latest/Triangulation/index.html#title20>`_.
  -This example builds the CGAL weighted alpha shapes from a small molecule, and initializes the alpha complex with
  -it. This example is taken from
  +This example builds the weighted alpha-complex of a small molecule, where atoms have different sizes.
  +It is taken from
  `CGAL 3d weighted alpha shapes <https://doc.cgal.org/latest/Alpha_shapes_3/index.html#title13>`_.
  Then, it is asked to display information about the alpha complex.
  