Update CHANGELOG.rst

Co-authored-by: Pradyun Gedam <[email protected]>

Author: zuo

CHANGELOG.rst

@@ -4,10 +4,9 @@ Changelog
 *unreleased*
 ~~~~~~~~~~~~
 
-* Fix parsing of ``Version`` and ``Specifier``, to prevent certain
-  non-ASCII letters from being accepted as a part of the local version
-  segment (:issue:`469`); also, fix the docs of ``VERSION_PATTERN``, to
-  mention necessity of the ``re.ASCII`` flag
+* Prevent certain non-ASCII letters from being accepted as a part of the
+  local version segment (:issue:`469`).
+* Document that ``VERSION_PATTERN`` requires using the ``re.ASCII`` flag.
 
 21.0 - 2021-07-03
 ~~~~~~~~~~~~~~~~~