docs: update index.html

Author: MarcJHuber

doc/index.html

@@ -39,9 +39,8 @@ <H2>Documentation</H2>
 <P>
 <LI><A CLASS="lk" HREF="tac_plus-ng.html">tac_plus-ng</A>
 <A CLASS="lk" HREF="tac_plus-ng.pdf">[pdf]</A>
-is a rewritten variant of the former. And, to put it plainly, it's the future. Also, it comes with the <tt>tactrace.pl</tt> utility which greatly simplifies configuration checking.
-<P>Plus, it supports 
-<A CLASS="lk" HREF="https://github.com/MarcJHuber/event-driven-servers/wiki/TACACS_PLUS---SSH-Public-Key-Authentication">Non-standard SSH Public Key Authentication</A> and other experimental features (e.g. TACACS+ over TLS1.3).
+is a rewritten variant of the former, with new and shiny features. It supports the upcoming <A CLASS="lk" HREF="https://datatracker.ietf.org/doc/draft-ietf-opsawg-tacacs-tls13/">upcoming TACACS+ over TLS</A> standard, RADIUS (PAP, TLS, DTLS), and introduces the <tt>tactrace.pl</tt> utility which greatly simplifies configuration checking. Also, there's experimental support for 
+<A CLASS="lk" HREF="https://github.com/MarcJHuber/event-driven-servers/wiki/TACACS_PLUS---SSH-Public-Key-Authentication">Non-standard SSH Public Key Authentication</A> via TACACS+.
 <P>
 <LI><A CLASS="lk" HREF="tcprelay.html">tcprelay</A>
 <A CLASS="lk" HREF="tcprelay.pdf">[pdf]</A>