Raise copyright years

diff --git a/bin/bin/docstringer.pl b/bin/bin/docstringer.pl
index 2de9a0e10331742e336653bac64af3d979dd2926..8a8db495306a79dc7c09f7a839c7b32de01cfdb2 100755 (executable)
--- a/bin/bin/docstringer.pl
+++ b/bin/bin/docstringer.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 # Simple script for substitute placeholders in Texinfo files with
 # docstring values found in source code.
-# Copyright (C) 2020 Sergey Matveev (stargrave@stargrave.org)
+# Copyright (C) 2020-2022 Sergey Matveev (stargrave@stargrave.org)
 #
 # If you C source code contains:
 #