Issue #13988: cElementTree is deprecated and the _elementtree accelerator is automatically used whenever available.
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index dd29681..8cabab6 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -842,6 +842,8 @@
* :issue:`13374`: The Windows bytes API has been deprecated in the :mod:`os`
module. Use Unicode filenames, instead of bytes filenames, to not depend on
the ANSI code page anymore and to support any filename.
+* :issue:`13988`: The :mod:`xml.etree.cElementTree` module is deprecated. The
+ accelerator is used automatically whenever available.
Deprecated functions and types of the C API