diff --git a/plugin/auto/zone.go b/plugin/auto/zone.go
index dff376bf9..bb8118613 100644
--- a/plugin/auto/zone.go
+++ b/plugin/auto/zone.go
@@ -41,7 +41,7 @@ func (z *Zones) Zones(name string) *file.Zone {
 	return zo
 }
 
-// Add adds a new zone into z. If zo.NoReload is false, the
+// Add adds a new zone into z. If z.ReloadInterval is not zero, the
 // reload goroutine is started.
 func (z *Zones) Add(zo *file.Zone, name string, t *transfer.Transfer) {
 	z.Lock()
diff --git a/plugin/file/reload.go b/plugin/file/reload.go
index 426a986b0..a154c0467 100644
--- a/plugin/file/reload.go
+++ b/plugin/file/reload.go
@@ -7,7 +7,7 @@ import (
 	"github.com/coredns/coredns/plugin/transfer"
 )
 
-// Reload reloads a zone when it is changed on disk. If z.NoReload is true, no reloading will be done.
+// Reload reloads a zone when it is changed on disk. If z.ReloadInterval is zero, no reloading will be done.
 func (z *Zone) Reload(t *transfer.Transfer) error {
 	if z.ReloadInterval == 0 {
 		return nil