diff --git a/pkg/apis/backups/v1alpha1/backup_type.go b/pkg/apis/backups/v1alpha1/backup_type.go
index 40bce8be0..791288af3 100644
--- a/pkg/apis/backups/v1alpha1/backup_type.go
+++ b/pkg/apis/backups/v1alpha1/backup_type.go
@@ -56,8 +56,8 @@ type BackupSpec struct {
 	Schedule string `json:"schedule,omitempty"`
 
 	// Destination indicates the clusters where backups should be performed.
-	// + required
-	Destination *Destination `json:"destination"`
+	// +required
+	Destination Destination `json:"destination"`
 
 	// Policy are the rules defining how backups should be performed.
 	// +optional
diff --git a/pkg/apis/backups/v1alpha1/migrate_type.go b/pkg/apis/backups/v1alpha1/migrate_type.go
index 663628ab3..91c3df127 100644
--- a/pkg/apis/backups/v1alpha1/migrate_type.go
+++ b/pkg/apis/backups/v1alpha1/migrate_type.go
@@ -39,11 +39,11 @@ type MigrateSpec struct {
 	// SourceCluster represents the source cluster for migration.
 	// The user needs to ensure that SourceCluster points to only ONE cluster.
 	// Because the current migration only supports migrating from one SourceCluster to one or more TargetCluster.
-	// + required
+	// +required
 	SourceCluster *Destination `json:"sourceCluster"`
 
 	// TargetCluster represents the target clusters for migration.
-	// + required
+	// +required
 	TargetCluster *Destination `json:"targetCluster"`
 
 	// Policy defines the rules for the migration.
diff --git a/pkg/apis/backups/v1alpha1/restore_type.go b/pkg/apis/backups/v1alpha1/restore_type.go
index f044897ea..f42f2be1c 100644
--- a/pkg/apis/backups/v1alpha1/restore_type.go
+++ b/pkg/apis/backups/v1alpha1/restore_type.go
@@ -38,7 +38,7 @@ type Restore struct {
 
 type RestoreSpec struct {
 	// BackupName specifies the backup on which this restore operation is based.
-	// + required
+	// +required
 	BackupName string `json:"backupName"`
 
 	// Destination indicates the clusters where restore should be performed.