diff --git a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api/gapic_version.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api/gapic_version.py
index ce52f107f367..20a9cd975b02 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api/gapic_version.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api/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-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/gapic_version.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/gapic_version.py
index ce52f107f367..20a9cd975b02 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/gapic_version.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/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-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/async_client.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/async_client.py
index 6a2e9aacfedc..83e52b256300 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/async_client.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/async_client.py
@@ -351,6 +351,8 @@ async def sample_summarize_maintenances():
 
         Returns:
             google.cloud.maintenance_api_v1beta.services.maintenance.pagers.SummarizeMaintenancesAsyncPager:
+                Request message for
+                SummarizeMaintenances custom method.
                 Iterating over this object will yield
                 results and resolve additional pages
                 automatically.
diff --git a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/client.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/client.py
index 03c4c7cdf868..8c9968ab15a6 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/client.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/client.py
@@ -769,6 +769,8 @@ def sample_summarize_maintenances():
 
         Returns:
             google.cloud.maintenance_api_v1beta.services.maintenance.pagers.SummarizeMaintenancesPager:
+                Request message for
+                SummarizeMaintenances custom method.
                 Iterating over this object will yield
                 results and resolve additional pages
                 automatically.
diff --git a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/transports/rest.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/transports/rest.py
index ec2a89607dbc..9138f590e59f 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/transports/rest.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/services/maintenance/transports/rest.py
@@ -753,6 +753,8 @@ def __call__(
 
             Returns:
                 ~.maintenance_service.SummarizeMaintenancesResponse:
+                    Request message for
+                SummarizeMaintenances custom method.
 
             """
 
diff --git a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/types/maintenance_service.py b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/types/maintenance_service.py
index ec777a90a5db..853c7d88f7e8 100644
--- a/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/types/maintenance_service.py
+++ b/packages/google-cloud-maintenance-api/google/cloud/maintenance_api_v1beta/types/maintenance_service.py
@@ -128,7 +128,7 @@ class SummarizeMaintenancesRequest(proto.Message):
 
 
 class SummarizeMaintenancesResponse(proto.Message):
-    r"""
+    r"""Request message for SummarizeMaintenances custom method.
 
     Attributes:
         maintenances (MutableSequence[google.cloud.maintenance_api_v1beta.types.MaintenanceSummary]):
@@ -211,7 +211,8 @@ class MaintenanceSummary(proto.Message):
     """
 
     class Stats(proto.Message):
-        r"""
+        r"""Stats indicates the type of aggregate and the corresponding
+        aggregates.
 
         Attributes:
             group_by (str):
@@ -236,7 +237,7 @@ class Stats(proto.Message):
         )
 
     class Aggregate(proto.Message):
-        r"""
+        r"""Aggregate is a <group, count> pair.
 
         Attributes:
             group (str):