User manual: Add 2020 to copyright date

[pspp] / doc / invoking.texi

diff --git a/doc/invoking.texi b/doc/invoking.texi
index fbc7009e5cdd96c15de6f7b4f9b38eb150e9b460..65605e2522b9994f69c6427eb524355efbfe6e4d 100644 (file)
--- a/doc/invoking.texi
+++ b/doc/invoking.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;