* though IrLAP is currently sending the *last* frame of the
* tx-window, the driver most likely has only just started
* sending the *first* frame of the same tx-window.
- * I.e. we are always at the very begining of or Tx window.
+ * I.e. we are always at the very beginning of or Tx window.
* Now, we are supposed to set the final timer from the end
* of our tx-window to let the other peer reply. So, we need
* to add extra time to compensate for the fact that we