diff --git a/doc/mainpage.dox b/doc/mainpage.dox
index f4ff4d8e..0b1ad448 100644
--- a/doc/mainpage.dox
+++ b/doc/mainpage.dox
@@ -211,6 +211,8 @@ It was later modified and expanded by the following RFCs.
(only the "server-sig-algs" extension implemented)
- RFC 8332,
Use of RSA Keys with SHA-256 and SHA-512 in the Secure Shell (SSH) Protocol
+ - RFC 8709,
+ Ed25519 and Ed448 Public Key Algorithms for the Secure Shell (SSH) Protocol
There are also drafts that are being currently developed and followed.