diff --git a/doc/zstd_compression_format.md b/doc/zstd_compression_format.md
index 0af6bf91a..5c7deb9c4 100644
--- a/doc/zstd_compression_format.md
+++ b/doc/zstd_compression_format.md
@@ -3,7 +3,7 @@ Zstandard Compression Format
 
 ### Notices
 
-Copyright (c) 2016-2020 Yann Collet, Facebook, Inc.
+Copyright (c) 2016-2021 Yann Collet, Facebook, Inc.
 
 Permission is granted to copy and distribute this document
 for any purpose and without charge,