diff --git a/sbin/sysctl/sysctl.8 b/sbin/sysctl/sysctl.8
index 47ff02ad91ab..0187640e395d 100644
--- a/sbin/sysctl/sysctl.8
+++ b/sbin/sysctl/sysctl.8
@@ -127,6 +127,7 @@ privilege can change the value.
 .It kern.maxfiles	integer	yes
 .It kern.maxfilesperproc	integer	yes
 .It kern.argmax	integer	no
+.It kern.suser_permitted	integer	yes
 .It kern.securelevel	integer	raise only
 .It kern.hostname	string	yes
 .It kern.hostid	integer	yes