*
* This protocol is "needed" due to some hardware restrictions on the
* current generation of Unipro controllers. Think about it for a
- * minute, this is a USB driver, talking to a Unipro bridge, impediance
+ * minute, this is a USB driver, talking to a Unipro bridge, impedance
* mismatch is huge, yet the Unipro controller are even more
* underpowered than this little USB controller. We rely on the round
* trip to keep stalls in the Unipro controllers from happening so that