docs: Improvements to various message and field descriptions

google/cloud/bigquery_datatransfer_v1/services/data_transfer_service/async_client.py

@@ -724,8 +724,8 @@ async def list_transfer_configs(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> pagers.ListTransferConfigsAsyncPager:
-        r"""Returns information about all data transfers in the
-        project.
+        r"""Returns information about all transfer configs owned
+        by a project in the specified location.
 
         Args:
             request (:class:`google.cloud.bigquery_datatransfer_v1.types.ListTransferConfigsRequest`):

google/cloud/bigquery_datatransfer_v1/services/data_transfer_service/client.py

@@ -897,8 +897,8 @@ def list_transfer_configs(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> pagers.ListTransferConfigsPager:
-        r"""Returns information about all data transfers in the
-        project.
+        r"""Returns information about all transfer configs owned
+        by a project in the specified location.
 
         Args:
             request (google.cloud.bigquery_datatransfer_v1.types.ListTransferConfigsRequest):

google/cloud/bigquery_datatransfer_v1/services/data_transfer_service/transports/grpc.py

@@ -401,8 +401,8 @@ def list_transfer_configs(
     ]:
         r"""Return a callable for the list transfer configs method over gRPC.
 
-        Returns information about all data transfers in the
-        project.
+        Returns information about all transfer configs owned
+        by a project in the specified location.
 
         Returns:
             Callable[[~.ListTransferConfigsRequest],

google/cloud/bigquery_datatransfer_v1/services/data_transfer_service/transports/grpc_asyncio.py

@@ -415,8 +415,8 @@ def list_transfer_configs(
     ]:
         r"""Return a callable for the list transfer configs method over gRPC.
 
-        Returns information about all data transfers in the
-        project.
+        Returns information about all transfer configs owned
+        by a project in the specified location.
 
         Returns:
             Callable[[~.ListTransferConfigsRequest],

google/cloud/bigquery_datatransfer_v1/types/datatransfer.py

@@ -731,13 +731,14 @@ class TimeRange(proto.Message):
                 Start time of the range of transfer runs. For example,
                 ``"2017-05-25T00:00:00+00:00"``. The start_time must be
                 strictly less than the end_time. Creates transfer runs where
-                run_time is in the range betwen start_time (inclusive) and
-                end_time (exlusive).
+                run_time is in the range between start_time (inclusive) and
+                end_time (exclusive).
             end_time (google.protobuf.timestamp_pb2.Timestamp):
                 End time of the range of transfer runs. For example,
                 ``"2017-05-30T00:00:00+00:00"``. The end_time must not be in
                 the future. Creates transfer runs where run_time is in the
-                range betwen start_time (inclusive) and end_time (exlusive).
+                range between start_time (inclusive) and end_time
+                (exclusive).
         """
 
         start_time = proto.Field(

google/cloud/bigquery_datatransfer_v1/types/transfer.py

@@ -108,13 +108,11 @@ class TransferConfig(proto.Message):
     Attributes:
         name (str):
             The resource name of the transfer config. Transfer config
-            names have the form of
+            names have the form
             ``projects/{project_id}/locations/{region}/transferConfigs/{config_id}``.
-            The name is automatically generated based on the config_id
-            specified in CreateTransferConfigRequest along with
-            project_id and region. If config_id is not provided, usually
-            a uuid, even though it is not guaranteed or required, will
-            be generated for config_id.
+            Where ``config_id`` is usually a uuid, even though it is not
+            guaranteed or required. The name is ignored when creating a
+            transfer config.
         destination_dataset_id (str):
             The BigQuery target dataset id.
         display_name (str):
@@ -124,7 +122,13 @@ class TransferConfig(proto.Message):
             Data source id. Cannot be changed once data
             transfer is created.
         params (google.protobuf.struct_pb2.Struct):
-            Data transfer specific parameters.
+            Parameters specific to each data source. For
+            more information see the bq tab in the 'Setting
+            up a data transfer' section for each data
+            source. For example the parameters for Cloud
+            Storage transfers are listed here:
+            https://cloud.google.com/bigquery-
+            transfer/docs/cloud-storage-transfer#bq
         schedule (str):
             Data transfer schedule. If the data source does not support
             a custom schedule, this should be empty. If it is empty, the
@@ -166,9 +170,11 @@ class TransferConfig(proto.Message):
             Output only. Region in which BigQuery dataset
             is located.
         notification_pubsub_topic (str):
-            Pub/Sub topic where notifications will be
-            sent after transfer runs associated with this
-            transfer config finish.
+            Pub/Sub topic where notifications will be sent after
+            transfer runs associated with this transfer config finish.
+
+            The format for specifying a pubsub topic is:
+            ``projects/{project}/topics/{topic}``
         email_preferences (google.cloud.bigquery_datatransfer_v1.types.EmailPreferences):
             Email notifications will be sent according to
             these preferences to the email address of the
@@ -224,8 +230,13 @@ class TransferRun(proto.Message):
             Output only. Last time the data transfer run
             state was updated.
         params (google.protobuf.struct_pb2.Struct):
-            Output only. Data transfer specific
-            parameters.
+            Output only. Parameters specific to each data
+            source. For more information see the bq tab in
+            the 'Setting up a data transfer' section for
+            each data source. For example the parameters for
+            Cloud Storage transfers are listed here:
+            https://cloud.google.com/bigquery-
+            transfer/docs/cloud-storage-transfer#bq
         destination_dataset_id (str):
             Output only. The BigQuery target dataset id.
         data_source_id (str):
@@ -244,9 +255,11 @@ class TransferRun(proto.Message):
             depending on the current load, so ``schedule_time`` doesn't
             always match this.
         notification_pubsub_topic (str):
-            Output only. Pub/Sub topic where a
-            notification will be sent after this transfer
-            run finishes
+            Output only. Pub/Sub topic where a notification will be sent
+            after this transfer run finishes.
+
+            The format for specifying a pubsub topic is:
+            ``projects/{project}/topics/{topic}``
         email_preferences (google.cloud.bigquery_datatransfer_v1.types.EmailPreferences):
             Output only. Email notifications will be sent
             according to these preferences to the email