*
* The poll_loop logs the 'where' argument to each function at "debug" level
* when an event causes a wakeup. Ordinarily, it is automatically filled in
- * with the location in the source of the call, and caller should therefore
+ * with the location in the source of the call, and the caller should therefore
* omit it. But, if the function you are implementing is very generic, so that
* its location in the source would not be very helpful for debugging, you can
* avoid the macro expansion and pass a different argument, e.g.: