diff --git a/kernel/evtdrv/include/tos_evtdrv_tick.h b/kernel/evtdrv/include/tos_evtdrv_tick.h
index 1c7bf75007214e8498dc29eeb92d042d0c77dae7..7ebf7c67620207c41c89311cc5f3c79fe8eeb97e 100644
--- a/kernel/evtdrv/include/tos_evtdrv_tick.h
+++ b/kernel/evtdrv/include/tos_evtdrv_tick.h
@@ -21,7 +21,7 @@
 #if TOS_CFG_EVENT_DRIVEN_EN > 0u
 
 /**
- * @brief Get the current systick cout.
+ * @brief Get the current systick count.
  *
  * @attention
  *