diff --git a/src/common/datetime/check_time.ts b/src/common/datetime/check_time.ts
index b23821e3e3..38746cbbb4 100644
--- a/src/common/datetime/check_time.ts
+++ b/src/common/datetime/check_time.ts
@@ -6,6 +6,9 @@ import { WEEKDAY_MAP, type WeekdayShort } from "./weekday";
 
 /**
  * Parse a time string (HH:MM or HH:MM:SS) and set it on today's date in the given timezone
+ * @param timeString The time string to parse
+ * @param timezone The timezone to use
+ * @returns The Date object
  */
 const parseTimeString = (timeString: string, timezone: string): Date => {
   const parts = timeString.split(":");