diff --git a/kernel/util/misc.go b/kernel/util/misc.go
index 2f0b14c62..4499fbb64 100644
--- a/kernel/util/misc.go
+++ b/kernel/util/misc.go
@@ -63,7 +63,7 @@ func RandString(length int) string {
 	return string(b)
 }
 
-// InsertElem inserts value at index into a.
+// InsertElem inserts value at index into s.
 // 0 <= index <= len(s)
 func InsertElem[T any](s []T, index int, value T) []T {
 	if len(s) == index { // nil or empty slice or after last element
diff --git a/kernel/util/time.go b/kernel/util/time.go
index d33ddfa27..6646da3d7 100644
--- a/kernel/util/time.go
+++ b/kernel/util/time.go
@@ -59,7 +59,7 @@ func WeekdayCN2(date time.Time) string {
 	return weekdayCN2[week]
 }
 
-// ISOWeek returns the ISO 8601 year and week number in which date occurs.
+// ISOWeek returns the ISO 8601 week number in which date occurs.
 // Week ranges from 1 to 53. Jan 01 to Jan 03 of year n might belong to week 52 or 53 of year n-1,
 // and Dec 29 to Dec 31 might belong to week 1 of year n+1.
 func ISOWeek(date time.Time) int {
@@ -73,7 +73,7 @@ func ISOYear(date time.Time) int {
 	return year
 }
 
-// ISOMonth returns the month in which the first day of the ISO 8601 week of date occurs.
+// ISOMonth returns the month in which the Thursday of the ISO 8601 week of date occurs.
 func ISOMonth(date time.Time) int {
 	isoYear, isoWeek := date.ISOWeek()