diff --git a/packages/google-cloud-beyondcorp-appconnections/protos/google/cloud/beyondcorp/appconnections/v1/app_connections_service.proto b/packages/google-cloud-beyondcorp-appconnections/protos/google/cloud/beyondcorp/appconnections/v1/app_connections_service.proto
index 73f19ff7b53..48143604a5d 100644
--- a/packages/google-cloud-beyondcorp-appconnections/protos/google/cloud/beyondcorp/appconnections/v1/app_connections_service.proto
+++ b/packages/google-cloud-beyondcorp-appconnections/protos/google/cloud/beyondcorp/appconnections/v1/app_connections_service.proto
@@ -40,12 +40,12 @@ option (google.api.resource_definition) = {
   pattern: "projects/{project}/locations/{location}/appGateways/{app_gateway}"
 };
 
-// ## API Overview
+// API Overview:
 //
 // The `beyondcorp.googleapis.com` service implements the Google Cloud
 // BeyondCorp API.
 //
-// ## Data Model
+// Data Model:
 //
 // The AppConnectionsService exposes the following resources:
 //
diff --git a/packages/google-cloud-beyondcorp-appconnections/src/v1/app_connections_service_client.ts b/packages/google-cloud-beyondcorp-appconnections/src/v1/app_connections_service_client.ts
index 101d8a41c11..ad1b2a8be4b 100644
--- a/packages/google-cloud-beyondcorp-appconnections/src/v1/app_connections_service_client.ts
+++ b/packages/google-cloud-beyondcorp-appconnections/src/v1/app_connections_service_client.ts
@@ -44,12 +44,12 @@ import * as gapicConfig from './app_connections_service_client_config.json';
 const version = require('../../../package.json').version;
 
 /**
- *  ## API Overview
+ *  API Overview:
  *
  *  The `beyondcorp.googleapis.com` service implements the Google Cloud
  *  BeyondCorp API.
  *
- *  ## Data Model
+ *  Data Model:
  *
  *  The AppConnectionsService exposes the following resources:
  *
diff --git a/packages/google-cloud-beyondcorp-appconnectors/protos/google/cloud/beyondcorp/appconnectors/v1/app_connectors_service.proto b/packages/google-cloud-beyondcorp-appconnectors/protos/google/cloud/beyondcorp/appconnectors/v1/app_connectors_service.proto
index d7d6d74f44e..54634f86798 100644
--- a/packages/google-cloud-beyondcorp-appconnectors/protos/google/cloud/beyondcorp/appconnectors/v1/app_connectors_service.proto
+++ b/packages/google-cloud-beyondcorp-appconnectors/protos/google/cloud/beyondcorp/appconnectors/v1/app_connectors_service.proto
@@ -34,12 +34,12 @@ option java_package = "com.google.cloud.beyondcorp.appconnectors.v1";
 option php_namespace = "Google\\Cloud\\BeyondCorp\\AppConnectors\\V1";
 option ruby_package = "Google::Cloud::BeyondCorp::AppConnectors::V1";
 
-// ## API Overview
+// API Overview:
 //
 // The `beyondcorp.googleapis.com` service implements the Google Cloud
 // BeyondCorp API.
 //
-// ## Data Model
+// Data Model:
 //
 // The AppConnectorsService exposes the following resource:
 //
diff --git a/packages/google-cloud-beyondcorp-appconnectors/src/v1/app_connectors_service_client.ts b/packages/google-cloud-beyondcorp-appconnectors/src/v1/app_connectors_service_client.ts
index ba2de9de84f..cbb33595ab8 100644
--- a/packages/google-cloud-beyondcorp-appconnectors/src/v1/app_connectors_service_client.ts
+++ b/packages/google-cloud-beyondcorp-appconnectors/src/v1/app_connectors_service_client.ts
@@ -44,12 +44,12 @@ import * as gapicConfig from './app_connectors_service_client_config.json';
 const version = require('../../../package.json').version;
 
 /**
- *  ## API Overview
+ *  API Overview:
  *
  *  The `beyondcorp.googleapis.com` service implements the Google Cloud
  *  BeyondCorp API.
  *
- *  ## Data Model
+ *  Data Model:
  *
  *  The AppConnectorsService exposes the following resource:
  *
diff --git a/packages/google-cloud-beyondcorp-appgateways/protos/google/cloud/beyondcorp/appgateways/v1/app_gateways_service.proto b/packages/google-cloud-beyondcorp-appgateways/protos/google/cloud/beyondcorp/appgateways/v1/app_gateways_service.proto
index 605a9354e03..fa21383bfc7 100644
--- a/packages/google-cloud-beyondcorp-appgateways/protos/google/cloud/beyondcorp/appgateways/v1/app_gateways_service.proto
+++ b/packages/google-cloud-beyondcorp-appgateways/protos/google/cloud/beyondcorp/appgateways/v1/app_gateways_service.proto
@@ -31,12 +31,12 @@ option java_package = "com.google.cloud.beyondcorp.appgateways.v1";
 option php_namespace = "Google\\Cloud\\BeyondCorp\\AppGateways\\V1";
 option ruby_package = "Google::Cloud::BeyondCorp::AppGateways::V1";
 
-// ## API Overview
+// API Overview:
 //
 // The `beyondcorp.googleapis.com` service implements the Google Cloud
 // BeyondCorp API.
 //
-// ## Data Model
+// Data Model:
 //
 // The AppGatewaysService exposes the following resources:
 //
diff --git a/packages/google-cloud-beyondcorp-appgateways/src/v1/app_gateways_service_client.ts b/packages/google-cloud-beyondcorp-appgateways/src/v1/app_gateways_service_client.ts
index 294203c233c..f7eb1d69df5 100644
--- a/packages/google-cloud-beyondcorp-appgateways/src/v1/app_gateways_service_client.ts
+++ b/packages/google-cloud-beyondcorp-appgateways/src/v1/app_gateways_service_client.ts
@@ -44,12 +44,12 @@ import * as gapicConfig from './app_gateways_service_client_config.json';
 const version = require('../../../package.json').version;
 
 /**
- *  ## API Overview
+ *  API Overview:
  *
  *  The `beyondcorp.googleapis.com` service implements the Google Cloud
  *  BeyondCorp API.
  *
- *  ## Data Model
+ *  Data Model:
  *
  *  The AppGatewaysService exposes the following resources:
  *
diff --git a/packages/google-cloud-beyondcorp-clientconnectorservices/protos/google/cloud/beyondcorp/clientconnectorservices/v1/client_connector_services_service.proto b/packages/google-cloud-beyondcorp-clientconnectorservices/protos/google/cloud/beyondcorp/clientconnectorservices/v1/client_connector_services_service.proto
index fdfb27cdd23..87932f735de 100644
--- a/packages/google-cloud-beyondcorp-clientconnectorservices/protos/google/cloud/beyondcorp/clientconnectorservices/v1/client_connector_services_service.proto
+++ b/packages/google-cloud-beyondcorp-clientconnectorservices/protos/google/cloud/beyondcorp/clientconnectorservices/v1/client_connector_services_service.proto
@@ -32,12 +32,12 @@ option java_package = "com.google.cloud.beyondcorp.clientconnectorservices.v1";
 option php_namespace = "Google\\Cloud\\BeyondCorp\\ClientConnectorServices\\V1";
 option ruby_package = "Google::Cloud::BeyondCorp::ClientConnectorServices::V1";
 
-// ## API Overview
+// API Overview:
 //
 // The `beyondcorp.googleapis.com` service implements the Google Cloud
 // BeyondCorp API.
 //
-// ## Data Model
+// Data Model:
 //
 // The ClientConnectorServicesService exposes the following resources:
 //
diff --git a/packages/google-cloud-beyondcorp-clientconnectorservices/src/v1/client_connector_services_service_client.ts b/packages/google-cloud-beyondcorp-clientconnectorservices/src/v1/client_connector_services_service_client.ts
index 04180c2067f..9d19d8c6a60 100644
--- a/packages/google-cloud-beyondcorp-clientconnectorservices/src/v1/client_connector_services_service_client.ts
+++ b/packages/google-cloud-beyondcorp-clientconnectorservices/src/v1/client_connector_services_service_client.ts
@@ -44,12 +44,12 @@ import * as gapicConfig from './client_connector_services_service_client_config.
 const version = require('../../../package.json').version;
 
 /**
- *  ## API Overview
+ *  API Overview:
  *
  *  The `beyondcorp.googleapis.com` service implements the Google Cloud
  *  BeyondCorp API.
  *
- *  ## Data Model
+ *  Data Model:
  *
  *  The ClientConnectorServicesService exposes the following resources:
  *
diff --git a/packages/google-cloud-beyondcorp-clientgateways/protos/google/cloud/beyondcorp/clientgateways/v1/client_gateways_service.proto b/packages/google-cloud-beyondcorp-clientgateways/protos/google/cloud/beyondcorp/clientgateways/v1/client_gateways_service.proto
index 089fc73dd09..8ce25bb1ed9 100644
--- a/packages/google-cloud-beyondcorp-clientgateways/protos/google/cloud/beyondcorp/clientgateways/v1/client_gateways_service.proto
+++ b/packages/google-cloud-beyondcorp-clientgateways/protos/google/cloud/beyondcorp/clientgateways/v1/client_gateways_service.proto
@@ -31,12 +31,12 @@ option java_package = "com.google.cloud.beyondcorp.clientgateways.v1";
 option php_namespace = "Google\\Cloud\\BeyondCorp\\ClientGateways\\V1";
 option ruby_package = "Google::Cloud::BeyondCorp::ClientGateways::V1";
 
-// ## API Overview
+// API Overview:
 //
 // The `beyondcorp.googleapis.com` service implements the Google Cloud
 // BeyondCorp API.
 //
-// ## Data Model
+// Data Model:
 //
 // The ClientGatewaysService exposes the following resources:
 //
diff --git a/packages/google-cloud-beyondcorp-clientgateways/src/v1/client_gateways_service_client.ts b/packages/google-cloud-beyondcorp-clientgateways/src/v1/client_gateways_service_client.ts
index b2147c9805c..f39452f60c8 100644
--- a/packages/google-cloud-beyondcorp-clientgateways/src/v1/client_gateways_service_client.ts
+++ b/packages/google-cloud-beyondcorp-clientgateways/src/v1/client_gateways_service_client.ts
@@ -44,12 +44,12 @@ import * as gapicConfig from './client_gateways_service_client_config.json';
 const version = require('../../../package.json').version;
 
 /**
- *  ## API Overview
+ *  API Overview:
  *
  *  The `beyondcorp.googleapis.com` service implements the Google Cloud
  *  BeyondCorp API.
  *
- *  ## Data Model
+ *  Data Model:
  *
  *  The ClientGatewaysService exposes the following resources:
  *