} else if (stat_sync == -EPERM) {
/* This can occur when the user mode thread is
* aborted (^C), or when _VWIN32_WaitSingleObject()
- * fails due to unkown causes. */
+ * fails due to unknown causes. */
/* Even though Wait failed, there may be something in
* the Q: */
if (list_empty(&pchnl->io_completions)) {