message: Fix duplicate link
diff: @@ -11,8 +11,8 @@ Definition
  `AlphaComplex` is constructing a :doc:`SimplexTree <simplex_tree_ref>` using
  `Delaunay Triangulation <http://doc.cgal.org/latest/Triangulation/index.html#Chapter_Triangulations>`_
  -:cite:`cgal:hdj-t-19b` from `CGAL <http://www.cgal.org/>`_ (the Computational Geometry Algorithms Library
  -:cite:`cgal:eb-19b`).
  +:cite:`cgal:hdj-t-19b` from the `Computational Geometry Algorithms Library <http://www.cgal.org/>`_
  +(CGAL Library :cite:`cgal:eb-19b`).
  Remarks
  ^^^^^^^
  