message: Doc review :  "Selected points are" ->  "Selected intervals are"
diff: @@ -70,7 +70,7 @@ def plot_persistence_barcode(persistence=[], persistence_file='', alpha=0.6,
  opaque - default is 0.6).
  :type alpha: float.
  :param max_intervals: maximal number of intervals to display.
  - Selected points are those with the longest life time. Set it
  + Selected intervals are those with the longest life time. Set it
  to 0 to see all. Default value is 1000.
  :type max_intervals: int.
  :param inf_delta: Infinity is placed at ((max_death - min_birth) x
  @@ -162,7 +162,7 @@ def plot_persistence_diagram(persistence=[], persistence_file='', alpha=0.6,
  :param band: band (not displayed if :math:`\leq` 0. - default is 0.)
  :type band: float.
  :param max_intervals: maximal number of intervals to display.
  - Selected points are those with the longest life time. Set it
  + Selected intervals are those with the longest life time. Set it
  to 0 to see all. Default value is 1000.
  :type max_intervals: int.
  :param inf_delta: Infinity is placed at ((max_death - min_birth) x
  @@ -271,7 +271,7 @@ def plot_persistence_density(persistence=[], persistence_file='',
  :type bw_method: str, scalar or callable, optional.
  :param max_intervals: maximal number of points used in the density
  estimation.
  - Selected points are those with the longest life time. Set it
  + Selected intervals are those with the longest life time. Set it
  to 0 to see all. Default value is 1000.
  :type max_intervals: int.
  :param dimension: the dimension to be selected in the intervals
  