diff --git a/pkg/apis/core/types.go b/pkg/apis/core/types.go
index d577b2d2e12..6c9de36254b 100644
--- a/pkg/apis/core/types.go
+++ b/pkg/apis/core/types.go
@@ -465,7 +465,7 @@ type PersistentVolumeClaimStatus struct {
 type PersistentVolumeAccessMode string
 
 const (
-	// can be mounted read/write mode to exactly 1 host
+	// can be mounted in read/write mode to exactly 1 host
 	ReadWriteOnce PersistentVolumeAccessMode = "ReadWriteOnce"
 	// can be mounted in read-only mode to many hosts
 	ReadOnlyMany PersistentVolumeAccessMode = "ReadOnlyMany"
diff --git a/staging/src/k8s.io/api/core/v1/types.go b/staging/src/k8s.io/api/core/v1/types.go
index c092ae17ee1..d9a2830a158 100644
--- a/staging/src/k8s.io/api/core/v1/types.go
+++ b/staging/src/k8s.io/api/core/v1/types.go
@@ -523,7 +523,7 @@ type PersistentVolumeClaimStatus struct {
 type PersistentVolumeAccessMode string
 
 const (
-	// can be mounted read/write mode to exactly 1 host
+	// can be mounted in read/write mode to exactly 1 host
 	ReadWriteOnce PersistentVolumeAccessMode = "ReadWriteOnce"
 	// can be mounted in read-only mode to many hosts
 	ReadOnlyMany PersistentVolumeAccessMode = "ReadOnlyMany"