Update changelog

Author: pbarnajc

CHANGES.rst

@@ -4,7 +4,7 @@ Changelog
 Unreleased
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 - ⚠️ Backwards incompatible: - ``parsers.re`` now does a `fullmatch <https://docs.python.org/3/library/re.html#re.fullmatch>`_ instead of a partial match. This is to make it work just like the other parsers, since they don't ignore non-matching characters at the end of the string. `#539 <https://github.com/pytest-dev/pytest-bdd/pull/539>`_
-
+- Add support for Scenarios and Scenario Outlines to have descriptions. `#600 <https://github.com/pytest-dev/pytest-bdd/pull/600>`_
 
 6.1.1
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