diff --git a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery/gapic_version.py b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery/gapic_version.py
index a7d39deb7a45..360a0d13ebdd 100644
--- a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery/gapic_version.py
+++ b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.1.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/gapic_version.py b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/gapic_version.py
index a7d39deb7a45..360a0d13ebdd 100644
--- a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/gapic_version.py
+++ b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.1.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/types/common.py b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/types/common.py
index f8a616cdb80b..f4b94095735d 100644
--- a/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/types/common.py
+++ b/packages/google-maps-fleetengine-delivery/google/maps/fleetengine_delivery_v1/types/common.py
@@ -232,7 +232,7 @@ class DeliveryVehicleLocation(proto.Message):
         raw_location_time (google.protobuf.timestamp_pb2.Timestamp):
             Timestamp associated with the raw location.
         raw_location_sensor (google.maps.fleetengine_delivery_v1.types.DeliveryVehicleLocationSensor):
-            Source of the raw location.
+            Source of the raw location. Defaults to ``GPS``.
         raw_location_accuracy (google.protobuf.wrappers_pb2.DoubleValue):
             Accuracy of ``raw_location`` as a radius, in meters.
         supplemental_location (google.type.latlng_pb2.LatLng):
@@ -242,7 +242,8 @@ class DeliveryVehicleLocation(proto.Message):
             Timestamp associated with the supplemental
             location.
         supplemental_location_sensor (google.maps.fleetengine_delivery_v1.types.DeliveryVehicleLocationSensor):
-            Source of the supplemental location.
+            Source of the supplemental location. Defaults to
+            ``CUSTOMER_SUPPLIED_LOCATION``.
         supplemental_location_accuracy (google.protobuf.wrappers_pb2.DoubleValue):
             Accuracy of ``supplemental_location`` as a radius, in
             meters.
diff --git a/packages/google-maps-fleetengine-delivery/noxfile.py b/packages/google-maps-fleetengine-delivery/noxfile.py
index 822eb41debf3..b5020dd1873b 100644
--- a/packages/google-maps-fleetengine-delivery/noxfile.py
+++ b/packages/google-maps-fleetengine-delivery/noxfile.py
@@ -29,8 +29,10 @@
 
 BLACK_VERSION = "black[jupyter]==23.7.0"
 ISORT_VERSION = "isort==5.11.0"
+
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
+
 DEFAULT_PYTHON_VERSION = "3.9"
 
 UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.7", "3.8", "3.9", "3.10", "3.11"]
@@ -89,6 +91,7 @@ def lint(session):
         "--check",
         *LINT_PATHS,
     )
+
     session.run("flake8", "google", "tests")