diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 5cc50c33bac..ee393871ea9 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.",
       "$ref": "#/definitions/io.k8s.api.core.v1.TypedLocalObjectReference"
      },
      "resources": {
diff --git a/api/swagger-spec/apps_v1.json b/api/swagger-spec/apps_v1.json
index 4a4f6cdb316..4a3f7195560 100644
--- a/api/swagger-spec/apps_v1.json
+++ b/api/swagger-spec/apps_v1.json
@@ -9516,7 +9516,7 @@
      },
      "dataSource": {
       "$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 89f226baa51..6f220a5af76 100644
--- a/api/swagger-spec/apps_v1beta1.json
+++ b/api/swagger-spec/apps_v1beta1.json
@@ -6798,7 +6798,7 @@
      },
      "dataSource": {
       "$ref": "v1.TypedLocalObjectReference",
-      "description": "If specified, volume will be prepopulated with data from the specified data source. This depends on the provisioner for this volume being able to use the specified source. If the provisioner does not support it, it will fail to provision the volume."
+      "description": "This field requires the VolumeSnapshotDataSource alpha feature gate to be enabled and currently VolumeSnapshot is the only supported data source. If the provisioner can support VolumeSnapshot data source, it will create a new volume and data will be restored to the volume at the same time. If the provisioner does not support VolumeSnapshot data source, volume will not be created and the failure will be reported as an event. In the future, we plan to support more data source types and the behavior of the provisioner may change."
      }
     }
    },
diff --git a/api/swagger-spec/apps_v1beta2.json b/api/swagger-spec/apps_v1beta2.json
index 516b7f7d32f..6c9b8046a25 100644
--- a/api/swagger-spec/apps_v1beta2.json
+++ b/api/swagger-spec/apps_v1beta2.json
@@ -9520,7 +9520,7 @@
      },
      "dataSource": {
       "$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 8b3867a65d2..c95cd41a1f1 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 9d5eab6638e..05b484b1316 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 24436962182..bf60c70915a 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 e9f4c03d4a0..2afcf3b84be 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 c2a40768551..d65fc6e0c03 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 888b318ddc0..61364524bf0 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 eb380564bf8..eb69bf0b450 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 {