User manual: Add 2020 to copyright date

[pspp] / doc / variables.texi

diff --git a/doc/variables.texi b/doc/variables.texi
index c1f8fa96bb59d9de410626639d63b9a93284c53c..2da7af3271fddcf2ffe69226af204600b9a44151 100644 (file)
--- a/doc/variables.texi
+++ b/doc/variables.texi
@@ -1,5 +1,5 @@
 @c PSPP - a program for statistical analysis.
-@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Copyright (C) 2017, 2020 Free Software Foundation, Inc.
 @c Permission is granted to copy, distribute and/or modify this document
 @c under the terms of the GNU Free Documentation License, Version 1.3
 @c or any later version published by the Free Software Foundation;