diff --git a/design/volume-snapshot-data-movement/volume-snapshot-data-movement.md b/design/volume-snapshot-data-movement/volume-snapshot-data-movement.md
index 6a88b8b48e..674284433c 100644
--- a/design/volume-snapshot-data-movement/volume-snapshot-data-movement.md
+++ b/design/volume-snapshot-data-movement/volume-snapshot-data-movement.md
@@ -397,7 +397,7 @@ Target volume information includes PVC and PV that represents the volume and the
 The data mover information and backup repository information are the same with DataUpload CRD.
 DataDownload CRD defines the same status as DataUpload CRD with nearly the same meanings.  
 
-Below is the full spec of DataUpload CRD:
+Below is the full spec of DataDownload CRD:
 ```
 apiVersion: apiextensions.k8s.io/v1alpha1
 kind: CustomResourceDefinition
diff --git a/internal/resourcemodifiers/resource_modifiers.go b/internal/resourcemodifiers/resource_modifiers.go
index dbcd8e7ba4..b5d3047ef6 100644
--- a/internal/resourcemodifiers/resource_modifiers.go
+++ b/internal/resourcemodifiers/resource_modifiers.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcemodifiers
 
 import (
diff --git a/internal/resourcemodifiers/resource_modifiers_test.go b/internal/resourcemodifiers/resource_modifiers_test.go
index c2150bbc87..a8e61dae4f 100644
--- a/internal/resourcemodifiers/resource_modifiers_test.go
+++ b/internal/resourcemodifiers/resource_modifiers_test.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcemodifiers
 
 import (
diff --git a/internal/resourcemodifiers/resource_modifiers_validator.go b/internal/resourcemodifiers/resource_modifiers_validator.go
index 24fe0dbb2e..aca3fe923a 100644
--- a/internal/resourcemodifiers/resource_modifiers_validator.go
+++ b/internal/resourcemodifiers/resource_modifiers_validator.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcemodifiers
 
 import (
diff --git a/internal/resourcemodifiers/resource_modifiers_validator_test.go b/internal/resourcemodifiers/resource_modifiers_validator_test.go
index a46c465307..4011ba0d2d 100644
--- a/internal/resourcemodifiers/resource_modifiers_validator_test.go
+++ b/internal/resourcemodifiers/resource_modifiers_validator_test.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcemodifiers
 
 import (
diff --git a/internal/resourcepolicies/resource_policies.go b/internal/resourcepolicies/resource_policies.go
index 956a06753c..0c2c9b8082 100644
--- a/internal/resourcepolicies/resource_policies.go
+++ b/internal/resourcepolicies/resource_policies.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/internal/resourcepolicies/resource_policies_test.go b/internal/resourcepolicies/resource_policies_test.go
index 51b2a4f75f..005d1e12b6 100644
--- a/internal/resourcepolicies/resource_policies_test.go
+++ b/internal/resourcepolicies/resource_policies_test.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/internal/resourcepolicies/volume_resources.go b/internal/resourcepolicies/volume_resources.go
index fc6fdb7d53..7f281ea5e6 100644
--- a/internal/resourcepolicies/volume_resources.go
+++ b/internal/resourcepolicies/volume_resources.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/internal/resourcepolicies/volume_resources_test.go b/internal/resourcepolicies/volume_resources_test.go
index 66d7996699..c73bb692d8 100644
--- a/internal/resourcepolicies/volume_resources_test.go
+++ b/internal/resourcepolicies/volume_resources_test.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/internal/resourcepolicies/volume_resources_validator.go b/internal/resourcepolicies/volume_resources_validator.go
index 7b4d0b815d..15aba2f949 100644
--- a/internal/resourcepolicies/volume_resources_validator.go
+++ b/internal/resourcepolicies/volume_resources_validator.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/internal/resourcepolicies/volume_resources_validator_test.go b/internal/resourcepolicies/volume_resources_validator_test.go
index 92fd9a60b5..8518065807 100644
--- a/internal/resourcepolicies/volume_resources_validator_test.go
+++ b/internal/resourcepolicies/volume_resources_validator_test.go
@@ -1,3 +1,18 @@
+/*
+Copyright The Velero Contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 package resourcepolicies
 
 import (
diff --git a/pkg/apis/velero/v2alpha1/data_download_types.go b/pkg/apis/velero/v2alpha1/data_download_types.go
index 4776a8272e..bd18a815a3 100644
--- a/pkg/apis/velero/v2alpha1/data_download_types.go
+++ b/pkg/apis/velero/v2alpha1/data_download_types.go
@@ -56,7 +56,7 @@ type DataDownloadSpec struct {
 	OperationTimeout metav1.Duration `json:"operationTimeout"`
 }
 
-// TargetPVCSpec is the specification for a target PVC.
+// TargetVolumeSpec is the specification for a target PVC.
 type TargetVolumeSpec struct {
 	// PVC is the name of the target PVC that is created by Velero restore
 	PVC string `json:"pvc"`
diff --git a/pkg/controller/download_request_controller.go b/pkg/controller/download_request_controller.go
index 1f3de3955e..699b4d164f 100644
--- a/pkg/controller/download_request_controller.go
+++ b/pkg/controller/download_request_controller.go
@@ -144,7 +144,7 @@ func (r *downloadRequestReconciler) Reconcile(ctx context.Context, req ctrl.Requ
 					log.WithError(err).Error("fail to get restore for DownloadRequest")
 					return ctrl.Result{}, nil
 				}
-				log.Warnf("Fail to get restore for DownloadRequest %s. Retry later.", err.Error())
+				log.Warnf("fail to get restore for DownloadRequest %s. Retry later.", err.Error())
 				return ctrl.Result{}, errors.WithStack(err)
 			}
 			backupName = restore.Spec.BackupName
@@ -172,7 +172,7 @@ func (r *downloadRequestReconciler) Reconcile(ctx context.Context, req ctrl.Requ
 				log.Errorf("BSL for DownloadRequest cannot be found")
 				return ctrl.Result{}, nil
 			}
-			log.Warnf("Fail to get BSL for DownloadRequest: %s", err.Error())
+			log.Warnf("fail to get BSL for DownloadRequest: %s", err.Error())
 			return ctrl.Result{}, errors.WithStack(err)
 		}