Update the changelog file for the release.

diff --git a/doc/news/changes/header b/doc/news/changes/header
index e68826bb2cd51727fdcd544e72d78ec18ca04565..2aaca97674ab9327cf8578a315282c42c28b6955 100644 (file)
--- a/doc/news/changes/header
+++ b/doc/news/changes/header
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2017 - 2018 by the deal.II authors
+// Copyright (C) 2017 - 2021 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //