[kernel] Fix comment error for rt_mutex_detach().
@@ -588,7 +588,7 @@ rt_err_t rt_mutex_detach(rt_mutex_t mutex)
/* wakeup all suspended threads */
rt_ipc_list_resume_all(&(mutex->parent.suspend_thread));
- /* detach semaphore object */
+ /* detach mutex object */
rt_object_detach(&(mutex->parent.parent));
return RT_EOK;
