Issue 19504: Change "customise" to "customize" American spelling.

2 files changed, 4 insertions, 4 deletions

diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index f97eb08dd6..6894c7ca28 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1117,7 +1117,7 @@ Basic customization
    instance; for example: ``BaseClass.__init__(self, [args...])``.
 
    Because :meth:`__new__` and :meth:`__init__` work together in constructing
-   objects (:meth:`__new__` to create it, and :meth:`__init__` to customise it),
+   objects (:meth:`__new__` to create it, and :meth:`__init__` to customize it),
    no non-``None`` value may be returned by :meth:`__init__`; doing so will
    cause a :exc:`TypeError` to be raised at runtime.
 
@@ -1637,7 +1637,7 @@ By default, classes are constructed using :func:`type`. The class body is
 executed in a new namespace and the class name is bound locally to the
 result of ``type(name, bases, namespace)``.
 
-The class creation process can be customised by passing the ``metaclass``
+The class creation process can be customized by passing the ``metaclass``
 keyword argument in the class definition line, or by inheriting from an
 existing class that included such an argument. In the following example,
 both ``MyClass`` and ``MySubclass`` are instances of ``Meta``::
diff --git a/Doc/whatsnew/2.0.rst b/Doc/whatsnew/2.0.rst
index 4d49af1475..5bd12ba8b0 100644
--- a/Doc/whatsnew/2.0.rst
+++ b/Doc/whatsnew/2.0.rst
@@ -166,7 +166,7 @@ encoding.  Encodings are named by strings, such as ``'ascii'``, ``'utf-8'``,
 registering new encodings that are then available throughout a Python program.
 If an encoding isn't specified, the default encoding is usually 7-bit ASCII,
 though it can be changed for your Python installation by calling the
-``sys.setdefaultencoding(encoding)`` function in a customised version of
+``sys.setdefaultencoding(encoding)`` function in a customized version of
 :file:`site.py`.
 
 Combining 8-bit and Unicode strings always coerces to Unicode, using the default
@@ -1139,7 +1139,7 @@ module.
   Unix, not to be confused with :program:`gzip`\ -format files (which are
   supported by the :mod:`gzip` module) (Contributed by James C. Ahlstrom.)
 
-* :mod:`imputil`: A module that provides a simpler way for writing customised
+* :mod:`imputil`: A module that provides a simpler way for writing customized
   import hooks, in comparison to the existing :mod:`ihooks` module.  (Implemented
   by Greg Stein, with much discussion on python-dev along the way.)