diff --git a/src/sage/combinat/posets/lattices.py b/src/sage/combinat/posets/lattices.py index 45e0c0409db..06429e84083 100644 --- a/src/sage/combinat/posets/lattices.py +++ b/src/sage/combinat/posets/lattices.py @@ -819,8 +819,8 @@ def is_relatively_complemented(self, certificate=False): - If ``certificate=True`` return either ``(True, None)`` or ``(False, (a, b, c))``, where `b` is the only element that - covers `a` and is covered by `c`. - - If ``certificate=False`` return ``True`` or ``False``. + covers `a` and is covered by `c`. If ``certificate=False`` + return ``True`` or ``False``. EXAMPLES::