Index: usr.sbin/jail/jail.8
===================================================================
--- usr.sbin/jail/jail.8
+++ usr.sbin/jail/jail.8
@@ -703,7 +703,7 @@
 jail is removed.
 .It Va ip4.addr
 In addition to the IP addresses that are passed to the kernel, an
-interface, netmask and additional paramters (as supported by
+interface, netmask and additional parameters (as supported by
 .Xr ifconfig 8 Ns )
 may also be specified, in the form
 .Dq Ar interface Ns | Ns Ar ip-address Ns / Ns Ar netmask param ... .