diff --git a/net-doc/net/scribblings/dns.scrbl b/net-doc/net/scribblings/dns.scrbl
index d83b495c31..be1d950812 100644
--- a/net-doc/net/scribblings/dns.scrbl
+++ b/net-doc/net/scribblings/dns.scrbl
@@ -77,6 +77,8 @@ in case the server does not provide this optional feature.
 	  (eval:alts (dns-get-srv (dns-find-nameserver) "racket-lang.org" "xmpp-client" "udp")
 		     (list))
 	  ]
+
+@history[#:added "6.4.0.8"]
 }