diff --git a/docs/usage.rst b/docs/usage.rst
index 31049304e25dcc82ae312b78812fdc601e28e627..5874cdca04afe2398d945d93b26c9da8cd27eb64 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -1,4 +1,4 @@
-.. Copyright (C) 2018 Branko Majic
+.. Copyright (C) 2018, 2020, 2024 Branko Majic
 
    This file is part of Gimmecert documentation.