message: nicer doc presentation
diff: @@ -107,8 +107,8 @@ cdef class AlphaComplex:
  there is very little point using anything else since it does
  not save time.
  :type max_alpha_square: float
  - :param exact_version: Exact computation version. Default is false
  - which means Safe version is used.
  + :param exact_version: :code:`EXACT` computation version if set.
  + Default is false which means :code:`SAFE` version is used.
  :type exact_version: bool
  :returns: A simplex tree created from the Delaunay Triangulation.
  :rtype: SimplexTree
  