Raise copyright years

[nncp.git] / doc / index.texi

diff --git a/doc/index.texi b/doc/index.texi
index e2df9bd28d8f138d2739ba0077d579a5db15ff63..dc8be625d86541c60d4301e83168c9220c6b2c87 100644 (file)
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -3,15 +3,14 @@
 @settitle NNCP
 
 @copying
-This manual is for NNCP (Node to Node copy) --  collection of utilities
+This manual is for NNCP (Node to Node copy) -- collection of utilities
 simplifying secure store-and-forward files and mail exchanging.
 
-Copyright @copyright{} 2016-2018 @email{stargrave@@stargrave.org, Sergey Matveev}
+Copyright @copyright{} 2016-2021 @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
@@ -24,6 +23,13 @@ A copy of the license is included in the section entitled "Copying conditions".
 
 @include about.texi
 
+There are also articles about its usage outside this website:
+
+@itemize
+@item @url{https://habr.com/en/post/330712/, NNCP: лечение online- и цензуро- зависимости store-and-forward методом} (on russian)
+@item @url{https://changelog.complete.org/archives/tag/nncp, Series of descriptive articles} by John Goerzen
+@end itemize
+
 @center Interested? @ref{Tarballs, @strong{Download it}}!
 
 @menu