diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 5cc50c33ba..ee393871ea 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -82490,7 +82490,7 @@
       }
      },
      "dataSource": {
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.",
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.",
       "$ref": "#/definitions/io.k8s.api.core.v1.TypedLocalObjectReference"
      },
      "resources": {
diff --git a/api/swagger-spec/apps_v1.json b/api/swagger-spec/apps_v1.json
index 4a4f6cdb31..4a3f719556 100644
--- a/api/swagger-spec/apps_v1.json
+++ b/api/swagger-spec/apps_v1.json
@@ -9516,7 +9516,7 @@
      },
      "dataSource": {
       "$ref": "v1.TypedLocalObjectReference",
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume."
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change."
      }
     }
    },
diff --git a/api/swagger-spec/apps_v1beta1.json b/api/swagger-spec/apps_v1beta1.json
index 89f226baa5..6f220a5af7 100644
--- a/api/swagger-spec/apps_v1beta1.json
+++ b/api/swagger-spec/apps_v1beta1.json
@@ -6798,7 +6798,7 @@
      },
      "dataSource": {
       "$ref": "v1.TypedLocalObjectReference",
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume."
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change."
      }
     }
    },
diff --git a/api/swagger-spec/apps_v1beta2.json b/api/swagger-spec/apps_v1beta2.json
index 516b7f7d32..6c9b8046a2 100644
--- a/api/swagger-spec/apps_v1beta2.json
+++ b/api/swagger-spec/apps_v1beta2.json
@@ -9520,7 +9520,7 @@
      },
      "dataSource": {
       "$ref": "v1.TypedLocalObjectReference",
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume."
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change."
      }
     }
    },
diff --git a/api/swagger-spec/v1.json b/api/swagger-spec/v1.json
index 8b3867a65d..c95cd41a1f 100644
--- a/api/swagger-spec/v1.json
+++ b/api/swagger-spec/v1.json
@@ -19311,7 +19311,7 @@
      },
      "dataSource": {
       "$ref": "v1.TypedLocalObjectReference",
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume."
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change."
      }
     }
    },
diff --git a/docs/api-reference/apps/v1/definitions.html b/docs/api-reference/apps/v1/definitions.html
index 9d5eab6638..05b484b131 100755
--- a/docs/api-reference/apps/v1/definitions.html
+++ b/docs/api-reference/apps/v1/definitions.html
@@ -1019,7 +1019,7 @@ span.icon > [class^="icon-"], span.icon > [class*=" icon-"] { cursor: default; }
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">dataSource</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_typedlocalobjectreference">v1.TypedLocalObjectReference</a></p></td>
 <td class="tableblock halign-left valign-top"></td>
diff --git a/docs/api-reference/apps/v1beta1/definitions.html b/docs/api-reference/apps/v1beta1/definitions.html
index 2443696218..bf60c70915 100755
--- a/docs/api-reference/apps/v1beta1/definitions.html
+++ b/docs/api-reference/apps/v1beta1/definitions.html
@@ -1047,7 +1047,7 @@ span.icon > [class^="icon-"], span.icon > [class*=" icon-"] { cursor: default; }
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">dataSource</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_typedlocalobjectreference">v1.TypedLocalObjectReference</a></p></td>
 <td class="tableblock halign-left valign-top"></td>
diff --git a/docs/api-reference/apps/v1beta2/definitions.html b/docs/api-reference/apps/v1beta2/definitions.html
index e9f4c03d4a..2afcf3b84b 100755
--- a/docs/api-reference/apps/v1beta2/definitions.html
+++ b/docs/api-reference/apps/v1beta2/definitions.html
@@ -994,7 +994,7 @@ span.icon > [class^="icon-"], span.icon > [class*=" icon-"] { cursor: default; }
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">dataSource</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_typedlocalobjectreference">v1.TypedLocalObjectReference</a></p></td>
 <td class="tableblock halign-left valign-top"></td>
diff --git a/docs/api-reference/v1/definitions.html b/docs/api-reference/v1/definitions.html
index c2a4076855..d65fc6e0c0 100755
--- a/docs/api-reference/v1/definitions.html
+++ b/docs/api-reference/v1/definitions.html
@@ -696,7 +696,7 @@ span.icon > [class^="icon-"], span.icon > [class*=" icon-"] { cursor: default; }
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">dataSource</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_typedlocalobjectreference">v1.TypedLocalObjectReference</a></p></td>
 <td class="tableblock halign-left valign-top"></td>
diff --git a/staging/src/k8s.io/api/core/v1/generated.proto b/staging/src/k8s.io/api/core/v1/generated.proto
index 888b318ddc..61364524bf 100644
--- a/staging/src/k8s.io/api/core/v1/generated.proto
+++ b/staging/src/k8s.io/api/core/v1/generated.proto
@@ -2293,9 +2293,14 @@ message PersistentVolumeClaimSpec {
   // +optional
   optional string volumeMode = 6;
 
-  // If specified, volume will be prepopulated with data from the specified data source.
-  // This depends on the provisioner for this volume being able to use the specified source.
-  // If the provisioner does not support it, it will fail to provision the volume.
+  // This field requires the VolumeSnapshotDataSource alpha feature gate to be
+  // enabled and currently VolumeSnapshot is the only supported data source.
+  // If the provisioner can support VolumeSnapshot data source, it will create
+  // a new volume and data will be restored to the volume at the same time.
+  // If the provisioner does not support VolumeSnapshot data source, volume will
+  // not be created and the failure will be reported as an event.
+  // In the future, we plan to support more data source types and the behavior
+  // of the provisioner may change.
   // +optional
   optional TypedLocalObjectReference dataSource = 7;
 }
diff --git a/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
index eb380564bf..eb69bf0b45 100644
--- a/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
@@ -1210,7 +1210,7 @@ var map_PersistentVolumeClaimSpec = map[string]string{
 	"volumeName":       "VolumeName is the binding reference to the PersistentVolume backing this claim.",
 	"storageClassName": "Name of the StorageClass required by the claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1",
 	"volumeMode":       "volumeMode defines what type of volume is required by the claim. Value of Filesystem is implied when not included in claim spec. This is an alpha feature and may change in the future.",
-	"dataSource":       "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume.",
+	"dataSource":       "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change.",
 }
 
 func (PersistentVolumeClaimSpec) SwaggerDoc() map[string]string {