message: Fix doc review
diff: @@ -73,7 +73,8 @@ class Persistent_cohomology {
  typedef typename FilteredComplex::Filtration_value Filtration_value;
  /** \brief Type of element of the field. */
  typedef typename CoefficientField::Element Arith_element;
  - /** \brief Persistent interval type. The Arith_element field is used for the multi-field framework. */
  + /** \brief Type for birth and death FilteredComplex::Simplex_handle.
  + * The Arith_element field is used for the multi-field framework. */
  typedef std::tuple<Simplex_handle, Simplex_handle, Arith_element> Persistent_interval;
  private:
  