diff --git a/lib/libc/net/inet6_opt_init.3 b/lib/libc/net/inet6_opt_init.3
--- a/lib/libc/net/inet6_opt_init.3
+++ b/lib/libc/net/inet6_opt_init.3
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd December 23, 2004
+.Dd August 1, 2021
 .Dt INET6_OPT_INIT 3
 .Os
 .\"
@@ -305,7 +305,7 @@
 on an error.
 .\"
 .Sh EXAMPLES
-RFC3542 gives comprehensive examples in Section 23.
+RFC3542 gives comprehensive examples in Section 22.
 .Pp
 KAME also provides examples in the
 .Pa advapitest