fix year range

diff --git a/doc/news/9.1.1-vs-9.2.0.h b/doc/news/9.1.1-vs-9.2.0.h
index de1d08d6ad3d6421b487d45a1c48cab21bb8e198..cf69ba7c17543ffa7dc405cb5cab69ac50fe9eaa 100644 (file)
--- a/doc/news/9.1.1-vs-9.2.0.h
+++ b/doc/news/9.1.1-vs-9.2.0.h
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2017 - 2020 by the deal.II authors
+// Copyright (C) 2019 - 2020 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //