diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b5e91573..ce65b73e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.2.0"
+  ".": "5.3.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6d0d5e7..3641a2ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,23 @@
 
 [1]: https://pypi.org/project/google-cloud-dataproc/#history
 
+## [5.3.0](https://github.com/googleapis/python-dataproc/compare/v5.2.0...v5.3.0) (2023-01-23)
+
+
+### Features
+
+* Add SPOT to Preemptibility enum ([8d5e6d8](https://github.com/googleapis/python-dataproc/commit/8d5e6d8b756bffa44227bdf5dd27223e45facd57))
+
+
+### Bug Fixes
+
+* Add context manager return types ([8d5e6d8](https://github.com/googleapis/python-dataproc/commit/8d5e6d8b756bffa44227bdf5dd27223e45facd57))
+
+
+### Documentation
+
+* Add documentation for enums ([8d5e6d8](https://github.com/googleapis/python-dataproc/commit/8d5e6d8b756bffa44227bdf5dd27223e45facd57))
+
 ## [5.2.0](https://github.com/googleapis/python-dataproc/compare/v5.1.0...v5.2.0) (2023-01-10)
 
 
diff --git a/google/cloud/dataproc/gapic_version.py b/google/cloud/dataproc/gapic_version.py
index 72f20eb7..76351bda 100644
--- a/google/cloud/dataproc/gapic_version.py
+++ b/google/cloud/dataproc/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "5.2.0"  # {x-release-please-version}
+__version__ = "5.3.0"  # {x-release-please-version}
diff --git a/google/cloud/dataproc_v1/gapic_version.py b/google/cloud/dataproc_v1/gapic_version.py
index 72f20eb7..76351bda 100644
--- a/google/cloud/dataproc_v1/gapic_version.py
+++ b/google/cloud/dataproc_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "5.2.0"  # {x-release-please-version}
+__version__ = "5.3.0"  # {x-release-please-version}
diff --git a/google/cloud/dataproc_v1/services/autoscaling_policy_service/client.py b/google/cloud/dataproc_v1/services/autoscaling_policy_service/client.py
index 2cb6625d..0a434a38 100644
--- a/google/cloud/dataproc_v1/services/autoscaling_policy_service/client.py
+++ b/google/cloud/dataproc_v1/services/autoscaling_policy_service/client.py
@@ -1044,7 +1044,7 @@ def sample_delete_autoscaling_policy():
             metadata=metadata,
         )
 
-    def __enter__(self):
+    def __enter__(self) -> "AutoscalingPolicyServiceClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/services/batch_controller/client.py b/google/cloud/dataproc_v1/services/batch_controller/client.py
index a96592e9..05d0e9f0 100644
--- a/google/cloud/dataproc_v1/services/batch_controller/client.py
+++ b/google/cloud/dataproc_v1/services/batch_controller/client.py
@@ -898,7 +898,7 @@ def sample_delete_batch():
             metadata=metadata,
         )
 
-    def __enter__(self):
+    def __enter__(self) -> "BatchControllerClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/services/cluster_controller/client.py b/google/cloud/dataproc_v1/services/cluster_controller/client.py
index f52ecb3b..921a308c 100644
--- a/google/cloud/dataproc_v1/services/cluster_controller/client.py
+++ b/google/cloud/dataproc_v1/services/cluster_controller/client.py
@@ -1654,7 +1654,7 @@ def sample_diagnose_cluster():
         # Done; return the response.
         return response
 
-    def __enter__(self):
+    def __enter__(self) -> "ClusterControllerClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/services/job_controller/client.py b/google/cloud/dataproc_v1/services/job_controller/client.py
index 810299d9..a5d75602 100644
--- a/google/cloud/dataproc_v1/services/job_controller/client.py
+++ b/google/cloud/dataproc_v1/services/job_controller/client.py
@@ -1314,7 +1314,7 @@ def sample_delete_job():
             metadata=metadata,
         )
 
-    def __enter__(self):
+    def __enter__(self) -> "JobControllerClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/services/node_group_controller/client.py b/google/cloud/dataproc_v1/services/node_group_controller/client.py
index af9932ae..402b31e8 100644
--- a/google/cloud/dataproc_v1/services/node_group_controller/client.py
+++ b/google/cloud/dataproc_v1/services/node_group_controller/client.py
@@ -835,7 +835,7 @@ def sample_get_node_group():
         # Done; return the response.
         return response
 
-    def __enter__(self):
+    def __enter__(self) -> "NodeGroupControllerClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/services/workflow_template_service/client.py b/google/cloud/dataproc_v1/services/workflow_template_service/client.py
index 7241df04..c13dacf5 100644
--- a/google/cloud/dataproc_v1/services/workflow_template_service/client.py
+++ b/google/cloud/dataproc_v1/services/workflow_template_service/client.py
@@ -1452,7 +1452,7 @@ def sample_delete_workflow_template():
             metadata=metadata,
         )
 
-    def __enter__(self):
+    def __enter__(self) -> "WorkflowTemplateServiceClient":
         return self
 
     def __exit__(self, type, value, traceback):
diff --git a/google/cloud/dataproc_v1/types/batches.py b/google/cloud/dataproc_v1/types/batches.py
index 1aa48877..ee6ac168 100644
--- a/google/cloud/dataproc_v1/types/batches.py
+++ b/google/cloud/dataproc_v1/types/batches.py
@@ -250,7 +250,25 @@ class Batch(proto.Message):
     """
 
     class State(proto.Enum):
-        r"""The batch state."""
+        r"""The batch state.
+
+        Values:
+            STATE_UNSPECIFIED (0):
+                The batch state is unknown.
+            PENDING (1):
+                The batch is created before running.
+            RUNNING (2):
+                The batch is running.
+            CANCELLING (3):
+                The batch is cancelling.
+            CANCELLED (4):
+                The batch cancellation was successful.
+            SUCCEEDED (5):
+                The batch completed successfully.
+            FAILED (6):
+                The batch is no longer running due to an
+                error.
+        """
         STATE_UNSPECIFIED = 0
         PENDING = 1
         RUNNING = 2
diff --git a/google/cloud/dataproc_v1/types/clusters.py b/google/cloud/dataproc_v1/types/clusters.py
index 070a255e..c761bce5 100644
--- a/google/cloud/dataproc_v1/types/clusters.py
+++ b/google/cloud/dataproc_v1/types/clusters.py
@@ -577,6 +577,24 @@ class PrivateIpv6GoogleAccess(proto.Enum):
         IPv6. These values are directly mapped to corresponding values in
         the `Compute Engine Instance
         fields <https://cloud.google.com/compute/docs/reference/rest/v1/instances>`__.
+
+        Values:
+            PRIVATE_IPV6_GOOGLE_ACCESS_UNSPECIFIED (0):
+                If unspecified, Compute Engine default behavior will apply,
+                which is the same as
+                [INHERIT_FROM_SUBNETWORK][google.cloud.dataproc.v1.GceClusterConfig.PrivateIpv6GoogleAccess.INHERIT_FROM_SUBNETWORK].
+            INHERIT_FROM_SUBNETWORK (1):
+                Private access to and from Google Services
+                configuration inherited from the subnetwork
+                configuration. This is the default Compute
+                Engine behavior.
+            OUTBOUND (2):
+                Enables outbound private IPv6 access to
+                Google Services from the Dataproc cluster.
+            BIDIRECTIONAL (3):
+                Enables bidirectional private IPv6 access
+                between Google Services and the Dataproc
+                cluster.
         """
         PRIVATE_IPV6_GOOGLE_ACCESS_UNSPECIFIED = 0
         INHERIT_FROM_SUBNETWORK = 1
@@ -795,10 +813,39 @@ class InstanceGroupConfig(proto.Message):
     """
 
     class Preemptibility(proto.Enum):
-        r"""Controls the use of preemptible instances within the group."""
+        r"""Controls the use of preemptible instances within the group.
+
+        Values:
+            PREEMPTIBILITY_UNSPECIFIED (0):
+                Preemptibility is unspecified, the system
+                will choose the appropriate setting for each
+                instance group.
+            NON_PREEMPTIBLE (1):
+                Instances are non-preemptible.
+                This option is allowed for all instance groups
+                and is the only valid value for Master and
+                Worker instance groups.
+            PREEMPTIBLE (2):
+                Instances are [preemptible]
+                (https://cloud.google.com/compute/docs/instances/preemptible).
+
+                This option is allowed only for [secondary worker]
+                (https://cloud.google.com/dataproc/docs/concepts/compute/secondary-vms)
+                groups.
+            SPOT (3):
+                Instances are [Spot VMs]
+                (https://cloud.google.com/compute/docs/instances/spot).
+
+                This option is allowed only for [secondary worker]
+                (https://cloud.google.com/dataproc/docs/concepts/compute/secondary-vms)
+                groups. Spot VMs are the latest version of [preemptible VMs]
+                (https://cloud.google.com/compute/docs/instances/preemptible),
+                and provide additional features.
+        """
         PREEMPTIBILITY_UNSPECIFIED = 0
         NON_PREEMPTIBLE = 1
         PREEMPTIBLE = 2
+        SPOT = 3
 
     num_instances: int = proto.Field(
         proto.INT32,
@@ -1007,7 +1054,14 @@ class NodeGroup(proto.Message):
     """
 
     class Role(proto.Enum):
-        r"""Node group roles."""
+        r"""Node group roles.
+
+        Values:
+            ROLE_UNSPECIFIED (0):
+                Required unspecified role.
+            DRIVER (1):
+                Job drivers run on the node group.
+        """
         ROLE_UNSPECIFIED = 0
         DRIVER = 1
 
@@ -1081,7 +1135,45 @@ class ClusterStatus(proto.Message):
     """
 
     class State(proto.Enum):
-        r"""The cluster state."""
+        r"""The cluster state.
+
+        Values:
+            UNKNOWN (0):
+                The cluster state is unknown.
+            CREATING (1):
+                The cluster is being created and set up. It
+                is not ready for use.
+            RUNNING (2):
+                The cluster is currently running and healthy. It is ready
+                for use.
+
+                **Note:** The cluster state changes from "creating" to
+                "running" status after the master node(s), first two primary
+                worker nodes (and the last primary worker node if primary
+                workers > 2) are running.
+            ERROR (3):
+                The cluster encountered an error. It is not
+                ready for use.
+            ERROR_DUE_TO_UPDATE (9):
+                The cluster has encountered an error while
+                being updated. Jobs can be submitted to the
+                cluster, but the cluster cannot be updated.
+            DELETING (4):
+                The cluster is being deleted. It cannot be
+                used.
+            UPDATING (5):
+                The cluster is being updated. It continues to
+                accept and process jobs.
+            STOPPING (6):
+                The cluster is being stopped. It cannot be
+                used.
+            STOPPED (7):
+                The cluster is currently stopped. It is not
+                ready for use.
+            STARTING (8):
+                The cluster is being started. It is not ready
+                for use.
+        """
         UNKNOWN = 0
         CREATING = 1
         RUNNING = 2
@@ -1094,7 +1186,23 @@ class State(proto.Enum):
         STARTING = 8
 
     class Substate(proto.Enum):
-        r"""The cluster substate."""
+        r"""The cluster substate.
+
+        Values:
+            UNSPECIFIED (0):
+                The cluster substate is unknown.
+            UNHEALTHY (1):
+                The cluster is known to be in an unhealthy
+                state (for example, critical daemons are not
+                running or HDFS capacity is exhausted).
+
+                Applies to RUNNING state.
+            STALE_STATUS (2):
+                The agent-reported status is out of date (may
+                occur if Dataproc loses communication with
+                Agent).
+                Applies to RUNNING state.
+        """
         UNSPECIFIED = 0
         UNHEALTHY = 1
         STALE_STATUS = 2
@@ -1445,6 +1553,25 @@ class MetricSource(proto.Enum):
         r"""A source for the collection of Dataproc OSS metrics (see [available
         OSS metrics]
         (https://cloud.google.com//dataproc/docs/guides/monitoring#available_oss_metrics)).
+
+        Values:
+            METRIC_SOURCE_UNSPECIFIED (0):
+                Required unspecified metric source.
+            MONITORING_AGENT_DEFAULTS (1):
+                Default monitoring agent metrics. If this source is enabled,
+                Dataproc enables the monitoring agent in Compute Engine, and
+                collects default monitoring agent metrics, which are
+                published with an ``agent.googleapis.com`` prefix.
+            HDFS (2):
+                HDFS metric source.
+            SPARK (3):
+                Spark metric source.
+            YARN (4):
+                YARN metric source.
+            SPARK_HISTORY_SERVER (5):
+                Spark History Server metric source.
+            HIVESERVER2 (6):
+                Hiveserver2 metric source.
         """
         METRIC_SOURCE_UNSPECIFIED = 0
         MONITORING_AGENT_DEFAULTS = 1
@@ -2077,6 +2204,18 @@ class ReservationAffinity(proto.Message):
     class Type(proto.Enum):
         r"""Indicates whether to consume capacity from an reservation or
         not.
+
+        Values:
+            TYPE_UNSPECIFIED (0):
+
+            NO_RESERVATION (1):
+                Do not consume from any allocated capacity.
+            ANY_RESERVATION (2):
+                Consume any reservation available.
+            SPECIFIC_RESERVATION (3):
+                Must consume from a specific reservation.
+                Must specify key value fields for specifying the
+                reservations.
         """
         TYPE_UNSPECIFIED = 0
         NO_RESERVATION = 1
diff --git a/google/cloud/dataproc_v1/types/jobs.py b/google/cloud/dataproc_v1/types/jobs.py
index 501b9446..0f9f70f2 100644
--- a/google/cloud/dataproc_v1/types/jobs.py
+++ b/google/cloud/dataproc_v1/types/jobs.py
@@ -69,6 +69,27 @@ class Level(proto.Enum):
         r"""The Log4j level for job execution. When running an `Apache
         Hive <https://hive.apache.org/>`__ job, Cloud Dataproc configures
         the Hive client to an equivalent verbosity level.
+
+        Values:
+            LEVEL_UNSPECIFIED (0):
+                Level is unspecified. Use default level for
+                log4j.
+            ALL (1):
+                Use ALL level for log4j.
+            TRACE (2):
+                Use TRACE level for log4j.
+            DEBUG (3):
+                Use DEBUG level for log4j.
+            INFO (4):
+                Use INFO level for log4j.
+            WARN (5):
+                Use WARN level for log4j.
+            ERROR (6):
+                Use ERROR level for log4j.
+            FATAL (7):
+                Use FATAL level for log4j.
+            OFF (8):
+                Turn off log4j.
         """
         LEVEL_UNSPECIFIED = 0
         ALL = 1
@@ -797,7 +818,40 @@ class JobStatus(proto.Message):
     """
 
     class State(proto.Enum):
-        r"""The job state."""
+        r"""The job state.
+
+        Values:
+            STATE_UNSPECIFIED (0):
+                The job state is unknown.
+            PENDING (1):
+                The job is pending; it has been submitted,
+                but is not yet running.
+            SETUP_DONE (8):
+                Job has been received by the service and
+                completed initial setup; it will soon be
+                submitted to the cluster.
+            RUNNING (2):
+                The job is running on the cluster.
+            CANCEL_PENDING (3):
+                A CancelJob request has been received, but is
+                pending.
+            CANCEL_STARTED (7):
+                Transient in-flight resources have been
+                canceled, and the request to cancel the running
+                job has been issued to the cluster.
+            CANCELLED (4):
+                The job cancellation was successful.
+            DONE (5):
+                The job has completed successfully.
+            ERROR (6):
+                The job has completed, but encountered an
+                error.
+            ATTEMPT_FAILURE (9):
+                Job attempt has failed. The detail field
+                contains failure details for this attempt.
+
+                Applies to restartable jobs only.
+        """
         STATE_UNSPECIFIED = 0
         PENDING = 1
         SETUP_DONE = 8
@@ -810,7 +864,29 @@ class State(proto.Enum):
         ATTEMPT_FAILURE = 9
 
     class Substate(proto.Enum):
-        r"""The job substate."""
+        r"""The job substate.
+
+        Values:
+            UNSPECIFIED (0):
+                The job substate is unknown.
+            SUBMITTED (1):
+                The Job is submitted to the agent.
+                Applies to RUNNING state.
+            QUEUED (2):
+                The Job has been received and is awaiting
+                execution (it may be waiting for a condition to
+                be met). See the "details" field for the reason
+                for the delay.
+
+                Applies to RUNNING state.
+            STALE_STATUS (3):
+                The agent-reported status is out of date,
+                which may be caused by a loss of communication
+                between the agent and Dataproc. If the agent
+                does not send a timely update, the job will
+                fail.
+                Applies to RUNNING state.
+        """
         UNSPECIFIED = 0
         SUBMITTED = 1
         QUEUED = 2
@@ -895,6 +971,26 @@ class YarnApplication(proto.Message):
     class State(proto.Enum):
         r"""The application state, corresponding to
         <code>YarnProtos.YarnApplicationStateProto</code>.
+
+        Values:
+            STATE_UNSPECIFIED (0):
+                Status is unspecified.
+            NEW (1):
+                Status is NEW.
+            NEW_SAVING (2):
+                Status is NEW_SAVING.
+            SUBMITTED (3):
+                Status is SUBMITTED.
+            ACCEPTED (4):
+                Status is ACCEPTED.
+            RUNNING (5):
+                Status is RUNNING.
+            FINISHED (6):
+                Status is FINISHED.
+            FAILED (7):
+                Status is FAILED.
+            KILLED (8):
+                Status is KILLED.
         """
         STATE_UNSPECIFIED = 0
         NEW = 1
@@ -1344,7 +1440,18 @@ class ListJobsRequest(proto.Message):
     """
 
     class JobStateMatcher(proto.Enum):
-        r"""A matcher that specifies categories of job states."""
+        r"""A matcher that specifies categories of job states.
+
+        Values:
+            ALL (0):
+                Match all jobs, regardless of state.
+            ACTIVE (1):
+                Only match jobs in non-terminal states: PENDING, RUNNING, or
+                CANCEL_PENDING.
+            NON_ACTIVE (2):
+                Only match jobs in terminal states:
+                CANCELLED, DONE, or ERROR.
+        """
         ALL = 0
         ACTIVE = 1
         NON_ACTIVE = 2
diff --git a/google/cloud/dataproc_v1/types/operations.py b/google/cloud/dataproc_v1/types/operations.py
index 3b7e353d..e6c3c60f 100644
--- a/google/cloud/dataproc_v1/types/operations.py
+++ b/google/cloud/dataproc_v1/types/operations.py
@@ -55,7 +55,14 @@ class BatchOperationMetadata(proto.Message):
     """
 
     class BatchOperationType(proto.Enum):
-        r"""Operation type for Batch resources"""
+        r"""Operation type for Batch resources
+
+        Values:
+            BATCH_OPERATION_TYPE_UNSPECIFIED (0):
+                Batch operation type is unknown.
+            BATCH (1):
+                Batch operation type.
+        """
         BATCH_OPERATION_TYPE_UNSPECIFIED = 0
         BATCH = 1
 
@@ -115,7 +122,19 @@ class ClusterOperationStatus(proto.Message):
     """
 
     class State(proto.Enum):
-        r"""The operation state."""
+        r"""The operation state.
+
+        Values:
+            UNKNOWN (0):
+                Unused.
+            PENDING (1):
+                The operation has been created.
+            RUNNING (2):
+                The operation is running.
+            DONE (3):
+                The operation is done; either cancelled or
+                completed.
+        """
         UNKNOWN = 0
         PENDING = 1
         RUNNING = 2
@@ -229,7 +248,20 @@ class NodeGroupOperationMetadata(proto.Message):
     """
 
     class NodeGroupOperationType(proto.Enum):
-        r"""Operation type for node group resources."""
+        r"""Operation type for node group resources.
+
+        Values:
+            NODE_GROUP_OPERATION_TYPE_UNSPECIFIED (0):
+                Node group operation type is unknown.
+            CREATE (1):
+                Create node group operation type.
+            UPDATE (2):
+                Update node group operation type.
+            DELETE (3):
+                Delete node group operation type.
+            RESIZE (4):
+                Resize node group operation type.
+        """
         NODE_GROUP_OPERATION_TYPE_UNSPECIFIED = 0
         CREATE = 1
         UPDATE = 2
diff --git a/google/cloud/dataproc_v1/types/shared.py b/google/cloud/dataproc_v1/types/shared.py
index 95603a13..5b3ba322 100644
--- a/google/cloud/dataproc_v1/types/shared.py
+++ b/google/cloud/dataproc_v1/types/shared.py
@@ -39,7 +39,43 @@
 
 
 class Component(proto.Enum):
-    r"""Cluster components that can be activated."""
+    r"""Cluster components that can be activated.
+
+    Values:
+        COMPONENT_UNSPECIFIED (0):
+            Unspecified component. Specifying this will
+            cause Cluster creation to fail.
+        ANACONDA (5):
+            The Anaconda python distribution. The
+            Anaconda component is not supported in the
+            Dataproc <a
+            href="/dataproc/docs/concepts/versioning/dataproc-release-2.0">2.0
+            image</a>. The 2.0 image is pre-installed with
+            Miniconda.
+        DOCKER (13):
+            Docker
+        DRUID (9):
+            The Druid query engine. (alpha)
+        FLINK (14):
+            Flink
+        HBASE (11):
+            HBase. (beta)
+        HIVE_WEBHCAT (3):
+            The Hive Web HCatalog (the REST service for
+            accessing HCatalog).
+        JUPYTER (1):
+            The Jupyter Notebook.
+        PRESTO (6):
+            The Presto query engine.
+        RANGER (12):
+            The Ranger service.
+        SOLR (10):
+            The Solr service.
+        ZEPPELIN (4):
+            The Zeppelin notebook.
+        ZOOKEEPER (8):
+            The Zookeeper service.
+    """
     COMPONENT_UNSPECIFIED = 0
     ANACONDA = 5
     DOCKER = 13
@@ -58,6 +94,16 @@ class Component(proto.Enum):
 class FailureAction(proto.Enum):
     r"""Actions in response to failure of a resource associated with
     a cluster.
+
+    Values:
+        FAILURE_ACTION_UNSPECIFIED (0):
+            When FailureAction is unspecified, failure action defaults
+            to NO_ACTION.
+        NO_ACTION (1):
+            Take no action on failure to create a cluster resource.
+            NO_ACTION is the default.
+        DELETE (2):
+            Delete the failed cluster resource.
     """
     FAILURE_ACTION_UNSPECIFIED = 0
     NO_ACTION = 1
@@ -389,6 +435,19 @@ class Role(proto.Enum):
         can be specific to workloads. Exactly one GkeNodePoolTarget within
         the VirtualCluster must have 'default' role, which is used to run
         all workloads that are not associated with a NodePool.
+
+        Values:
+            ROLE_UNSPECIFIED (0):
+                Role is unspecified.
+            DEFAULT (1):
+                Any roles that are not directly assigned to a NodePool run
+                on the ``default`` role's NodePool.
+            CONTROLLER (2):
+                Run controllers and webhooks.
+            SPARK_DRIVER (3):
+                Run spark driver.
+            SPARK_EXECUTOR (4):
+                Run spark executors.
         """
         ROLE_UNSPECIFIED = 0
         DEFAULT = 1
diff --git a/google/cloud/dataproc_v1/types/workflow_templates.py b/google/cloud/dataproc_v1/types/workflow_templates.py
index 08ec9eda..d1b28de0 100644
--- a/google/cloud/dataproc_v1/types/workflow_templates.py
+++ b/google/cloud/dataproc_v1/types/workflow_templates.py
@@ -652,7 +652,19 @@ class WorkflowMetadata(proto.Message):
     """
 
     class State(proto.Enum):
-        r"""The operation state."""
+        r"""The operation state.
+
+        Values:
+            UNKNOWN (0):
+                Unused.
+            PENDING (1):
+                The operation has been created.
+            RUNNING (2):
+                The operation is running.
+            DONE (3):
+                The operation is done; either cancelled or
+                completed.
+        """
         UNKNOWN = 0
         PENDING = 1
         RUNNING = 2
@@ -785,7 +797,24 @@ class WorkflowNode(proto.Message):
     """
 
     class NodeState(proto.Enum):
-        r"""The workflow node state."""
+        r"""The workflow node state.
+
+        Values:
+            NODE_STATE_UNSPECIFIED (0):
+                State is unspecified.
+            BLOCKED (1):
+                The node is awaiting prerequisite node to
+                finish.
+            RUNNABLE (2):
+                The node is runnable but not running.
+            RUNNING (3):
+                The node is running.
+            COMPLETED (4):
+                The node completed successfully.
+            FAILED (5):
+                The node failed. A node can be marked FAILED
+                because its ancestor or peer failed.
+        """
         NODE_STATE_UNSPECIFIED = 0
         BLOCKED = 1
         RUNNABLE = 2
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
index 6638dc7d..121dcc1c 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-dataproc",
-    "version": "5.2.0"
+    "version": "5.3.0"
   },
   "snippets": [
     {