diff --git a/decor/eta.go b/decor/eta.go
index 6ee0f7d..92b1bd4 100644
--- a/decor/eta.go
+++ b/decor/eta.go
@@ -105,15 +105,15 @@
 //
 //	`style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS]
 //
-//	`startTime` start time
+//	`start` start time
 //
 //	`normalizer` available implementations are [FixedIntervalTimeNormalizer|MaxTolerateTimeNormalizer]
 //
 //	`wcc` optional WC config
-func NewAverageETA(style TimeStyle, startTime time.Time, normalizer TimeNormalizer, wcc ...WC) Decorator {
+func NewAverageETA(style TimeStyle, start time.Time, normalizer TimeNormalizer, wcc ...WC) Decorator {
 	d := &averageETA{
 		WC:         initWC(wcc...),
-		startTime:  startTime,
+		start:      start,
 		normalizer: normalizer,
 		producer:   chooseTimeProducer(style),
 	}
@@ -122,7 +122,7 @@
 
 type averageETA struct {
 	WC
-	startTime  time.Time
+	start      time.Time
 	normalizer TimeNormalizer
 	producer   func(time.Duration) string
 }
@@ -130,7 +130,7 @@
 func (d *averageETA) Decor(s Statistics) (string, int) {
 	var remaining time.Duration
 	if s.Current != 0 {
-		durPerItem := float64(time.Since(d.startTime)) / float64(s.Current)
+		durPerItem := float64(time.Since(d.start)) / float64(s.Current)
 		durPerItem = math.Round(durPerItem)
 		remaining = time.Duration((s.Total - s.Current) * int64(durPerItem))
 		if d.normalizer != nil {
@@ -140,8 +140,8 @@
 	return d.Format(d.producer(remaining))
 }
 
-func (d *averageETA) AverageAdjust(startTime time.Time) {
-	d.startTime = startTime
+func (d *averageETA) AverageAdjust(start time.Time) {
+	d.start = start
 }
 
 // MaxTolerateTimeNormalizer returns implementation of TimeNormalizer.
diff --git a/decor/speed.go b/decor/speed.go
index 5258177..9a6d573 100644
--- a/decor/speed.go
+++ b/decor/speed.go
@@ -120,7 +120,7 @@
 //
 //	`format` printf compatible verb for value, like "%f" or "%d"
 //
-//	`startTime` start time
+//	`start` start time
 //
 //	`wcc` optional WC config
 //
@@ -130,32 +130,32 @@
 //	unit=SizeB1024(0), format="% .1f" output: "1.0 MiB/s"
 //	unit=SizeB1000(0), format="%.1f"  output: "1.0MB/s"
 //	unit=SizeB1000(0), format="% .1f" output: "1.0 MB/s"
-func NewAverageSpeed(unit interface{}, format string, startTime time.Time, wcc ...WC) Decorator {
+func NewAverageSpeed(unit interface{}, format string, start time.Time, wcc ...WC) Decorator {
 	d := &averageSpeed{
-		WC:        initWC(wcc...),
-		startTime: startTime,
-		producer:  chooseSpeedProducer(unit, format),
+		WC:       initWC(wcc...),
+		start:    start,
+		producer: chooseSpeedProducer(unit, format),
 	}
 	return d
 }
 
 type averageSpeed struct {
 	WC
-	startTime time.Time
-	producer  func(float64) string
-	msg       string
+	start    time.Time
+	producer func(float64) string
+	msg      string
 }
 
 func (d *averageSpeed) Decor(s Statistics) (string, int) {
 	if !s.Completed {
-		speed := float64(s.Current) / float64(time.Since(d.startTime))
+		speed := float64(s.Current) / float64(time.Since(d.start))
 		d.msg = d.producer(speed * 1e9)
 	}
 	return d.Format(d.msg)
 }
 
-func (d *averageSpeed) AverageAdjust(startTime time.Time) {
-	d.startTime = startTime
+func (d *averageSpeed) AverageAdjust(start time.Time) {
+	d.start = start
 }
 
 func chooseSpeedProducer(unit interface{}, format string) func(float64) string {