Forbid any later GNU GPL versions autousage

[nncp.git] / doc / index.texi

diff --git a/doc/index.texi b/doc/index.texi
index e9f067d64a2e07b418f833bc419c4349544b069f..a83ea31be352e50881770dd47b23e6262883cb4d 100644 (file)
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -10,8 +10,7 @@ Copyright @copyright{} 2016-2019 @email{stargrave@@stargrave.org, Sergey Matveev
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.3
-or any later version published by the Free Software Foundation;
+under the terms of the GNU Free Documentation License, Version 1.3;
 with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
 A copy of the license is included in the section entitled "Copying conditions".
 @end quotation