* [rt2x00dump header][hardware descriptor][ieee802.11 frame]
*
* rt2x00dump header: The description of the dumped frame, as well as
- * additional information usefull for debugging. See &rt2x00dump_hdr.
+ * additional information useful for debugging. See &rt2x00dump_hdr.
* hardware descriptor: Descriptor that was used to receive or transmit
* the frame.
* ieee802.11 frame: The actual frame that was received or transmitted.