updated changelog.rst with release date

wjakob · wjakob · commit 2a5a5ec0a47c · 2017-08-31T13:58:24.000+02:00
diff --git a/docs/changelog.rst b/docs/changelog.rst
@@ -6,7 +6,7 @@ Changelog
 Starting with version 1.8.0, pybind11 releases use a `semantic versioning
 <http://semver.org>`_ policy.
 
-v2.2.0 (Not yet released)
+v2.2.0 (August 31, 2017)
 -----------------------------------------------------
 
 * Support for embedding the Python interpreter. See the
