* A decrease is only considered if the queue has been busy in
* the whole interval (the check above).
*
- * If there is slack, the amount of execess data queued above
- * the the amount needed to prevent starvation, the queue limit
+ * If there is slack, the amount of excess data queued above
+ * the amount needed to prevent starvation, the queue limit
* can be decreased. To avoid hysteresis we consider the
* minimum amount of slack found over several iterations of the
* completion routine.