* @timer_create: Create a new timer
* @timer_delete: Remove a previously created timer
* @timer_gettime: Get remaining time and interval of a timer
- * @timer_setttime: Set a timer's initial expiration and interval
+ * @timer_settime: Set a timer's initial expiration and interval
* @fasync: Optional character device fasync method
* @mmap: Optional character device mmap method
* @open: Optional character device open method