* @show: Showing method. This is invoked when user reads the event definitions
* via dynamic_events interface.
* @is_busy: Check whether given event is busy so that it can not be deleted.
* @show: Showing method. This is invoked when user reads the event definitions
* via dynamic_events interface.
* @is_busy: Check whether given event is busy so that it can not be deleted.
- * Return true if it is busy, otherwides false.
- * @free: Delete the given event. Return 0 if success, otherwides error.
+ * Return true if it is busy, otherwise false.
+ * @free: Delete the given event. Return 0 if success, otherwise error.