diff --git a/os/rt/include/chsys.h b/os/rt/include/chsys.h
index 8edf8773c..7bf93e7bf 100644
--- a/os/rt/include/chsys.h
+++ b/os/rt/include/chsys.h
@@ -368,7 +368,7 @@ static inline void chSysUnlock(void) {
   _stats_stop_measure_crit_thd();
 
   /* The following condition can be triggered by the use of i-class functions
-     in a critical section not followed by a chSchResceduleS(), this means
+     in a critical section not followed by a chSchRescheduleS(), this means
      that the current thread has a lower priority than the next thread in
      the ready list.*/
   chDbgAssert((ch.rlist.queue.next == (thread_t *)&ch.rlist.queue) ||