diff --git a/sys/sys/iov.h b/sys/sys/iov.h
index cc9074489559d6..0171fc5a98cf8f 100644
--- a/sys/sys/iov.h
+++ b/sys/sys/iov.h
@@ -209,7 +209,7 @@ struct pci_iov_schema
  *    (PF or individual VF).
  *         Note: We will refer to the section of the configuration schema that
  *               specifies the parameters for this subsystem and device
- *               configuration as the device/subystem schema.
+ *               configuration as the device/subsystem schema.
  * 2) The subsystem node must contain only keys that correspond to parameters
  *    that are specified in the device/subsystem schema.
  * 3) Every parameter specified as required in the device/subsystem schema is