Update copyright year
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13999)
diff --git a/doc/man3/DH_generate_key.pod b/doc/man3/DH_generate_key.pod
index c5b5861..722dea6 100644
--- a/doc/man3/DH_generate_key.pod
+++ b/doc/man3/DH_generate_key.pod
@@ -72,7 +72,7 @@
=head1 COPYRIGHT
-Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
