diff --git a/drivers/rtc/rtc-renesas-rtca3.c b/drivers/rtc/rtc-renesas-rtca3.c
index 8763745b9172..97e7e65f59a5 100644
--- a/drivers/rtc/rtc-renesas-rtca3.c
+++ b/drivers/rtc/rtc-renesas-rtca3.c
@@ -103,7 +103,7 @@ enum rtca3_alrm_set_step {
 
 /**
  * struct rtca3_ppb_per_cycle - PPB per cycle
- * @ten_sec: PPB per cycle in 10 seconds adjutment mode
+ * @ten_sec: PPB per cycle in 10 seconds adjustment mode
  * @sixty_sec: PPB per cycle in 60 seconds adjustment mode
  */
 struct rtca3_ppb_per_cycle {