diff --git a/usr.sbin/devctl/devctl.8 b/usr.sbin/devctl/devctl.8
index 77c803a7af29..fef42be13073 100644
--- a/usr.sbin/devctl/devctl.8
+++ b/usr.sbin/devctl/devctl.8
@@ -109,7 +109,7 @@ loader tunable.
 .It Cm suspend Ar device
 Suspend a device.
 This may include placing the device in a reduced power state.
-.It Cm resume device
+.It Cm resume Ar device
 Resume a suspended device to a fully working state.
 .It Xo Cm set driver
 .Op Fl f