diff --git a/usr.bin/cpuset/cpuset.1 b/usr.bin/cpuset/cpuset.1
index 4a74847b8e2..3e928bdac58 100644
--- a/usr.bin/cpuset/cpuset.1
+++ b/usr.bin/cpuset/cpuset.1
@@ -52,7 +52,7 @@
 .Op Fl c
 .Op Fl l Ar cpu-list
 .Op Fl n Ar policy:domain-list 
-.Op Fl j Ar jailid | Fl p Ar pid | Fl t Ar tid | Fl s Ar setid | Fl x Ar irq
+.Op Fl j Ar jail | Fl p Ar pid | Fl t Ar tid | Fl s Ar setid | Fl x Ar irq
 .Nm
 .Fl g
 .Op Fl cir