Issue #21661: Fix typo.
diff --git a/Doc/distributing/index.rst b/Doc/distributing/index.rst
index 2f2e637..4bcb633 100644
--- a/Doc/distributing/index.rst
+++ b/Doc/distributing/index.rst
@@ -49,7 +49,7 @@
of the mailing list used to coordinate Python packaging standards
development).
* ``setuptools`` is a (largely) drop-in replacement for ``distutils`` first
- published in 2004. It's most notable addition over the unmodified
+ published in 2004. Its most notable addition over the unmodified
``distutils`` tools was the ability to declare dependencies on other
packages. It is currently recommended as a more regularly updated
alternative to ``distutils`` that offers consistent support for more