replace long with int
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst
index 7c6f6db..c8eb899 100644
--- a/Doc/library/weakref.rst
+++ b/Doc/library/weakref.rst
@@ -72,9 +72,9 @@
obj = Dict(red=1, green=2, blue=3) # this object is weak referenceable
-Other built-in types such as :class:`tuple` and :class:`long` do not support
-weak references even when subclassed (This is an implementation detail and may
-be different across various Python implementations.).
+Other built-in types such as :class:`tuple` and :class:`int` do not support weak
+references even when subclassed (This is an implementation detail and may be
+different across various Python implementations.).
Extension types can easily be made to support weak references; see
:ref:`weakref-support`.