-NNCP (Node to Node copy) is a collection of utilities simplifying
-secure store-and-forward files and mail exchanging.
+@strong{NNCP} (Node to Node copy) is a collection of utilities
+simplifying secure store-and-forward files, mail and command exchanging.
See also this page @ref{Об утилитах, on russian}.
NNCP is @url{https://www.gnu.org/philosophy/pragmatic.html, copylefted}
@url{https://www.gnu.org/philosophy/free-sw.html, free software}
-licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GNU GPLv3+}.
+licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GNU GPLv3}.
It should work on all @url{https://en.wikipedia.org/wiki/POSIX,
POSIX}-compatible systems. Easy @ref{Integration, integration} with existing
@url{https://en.wikipedia.org/wiki/SMTP, SMTP} servers. Single
-@url{http://yaml.org/, YAML} configuration file.
+@url{https://hjson.org/, Hjson} configuration file.
Why create yet another store-and-forward solution when UUCP, FTN and
even SMTP exists? Look in @ref{Comparison, comparison} section!