Fix guidance for subclassing collections.Set()

diff --git a/Doc/library/collections.abc.rst b/Doc/library/collections.abc.rst
index 356f47332f6750dfa6b6ce797d31689704c99996..0bb26f938f4ff63581b93289cb8abc013e56124e 100644 (file)
--- a/Doc/library/collections.abc.rst
+++ b/Doc/library/collections.abc.rst
@@ -173,7 +173,7 @@ Notes on using :class:`Set` and :class:`MutableSet` as a mixin:
 
 (2)
    To override the comparisons (presumably for speed, as the
-   semantics are fixed), redefine :meth:`__le__` and
+   semantics are fixed), redefine :meth:`__le__` and :meth:`__ge__`,
    then the other operations will automatically follow suit.
 
 (3)

diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index 656ae064fe1de83c254f6a948fac2dd97071c4ef..647744491d45174a42a8af1c1e6658a88c7e7747 100644 (file)
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -183,7 +183,7 @@ class Set(Sized, Iterable, Container):
     methods except for __contains__, __iter__ and __len__.
 
     To override the comparisons (presumably for speed, as the
-    semantics are fixed), all you have to do is redefine __le__ and
+    semantics are fixed), redefine __le__ and __ge__,
     then the other operations will automatically follow suit.
     """