diff --git a/usr.sbin/devctl/devctl.8 b/usr.sbin/devctl/devctl.8
index 67b870960fe4..4974ee9c7685 100644
--- a/usr.sbin/devctl/devctl.8
+++ b/usr.sbin/devctl/devctl.8
@@ -156,7 +156,7 @@ the device will not be changed.
 Rescan a bus device checking for devices that have been added or
 removed.
 .It Xo Cm delete
-.Op Fl
+.Op Fl f
 .Ar device
 .Xc
 Delete the device from the device tree.