diff --git a/datalink814_ge/src/time_ctrl/time_ctrl.c b/datalink814_ge/src/time_ctrl/time_ctrl.c
index 410be4b..f20a08d 100644
--- a/datalink814_ge/src/time_ctrl/time_ctrl.c
+++ b/datalink814_ge/src/time_ctrl/time_ctrl.c
@@ -223,11 +223,11 @@ void TimeCtrl_SetOptimizeStep(TIMECTRL_INST* instPtr, TIME_FRAC* tmFrac) {
 
 /*****************************************************************************/
 /**
- * @brief   Calculate tmA - tmA.
+ * @brief   Calculate b - a.
  *
- * @param   tmA	time stamp A
- * @param   tmA	time stamp B
- * @param   tRound	t round 
+ * @param   a	time stamp A
+ * @param   b	time stamp B
+ * @param   gap	t round 
  *
  * @return  NONE
  *