* (but it might still on the bus). In this state there's nothing we can
* do; it must be replugged in order to recover.
*
- * COLD - Device is in an unusuable state, needs microcontroller firmware.
+ * COLD - Device is in an unusable state, needs microcontroller firmware.
*
* WARM - We can communicate with the device and the proper
* microcontroller firmware is running, but other device initialization is