diff --git a/google-cloud-network_management-v1/proto_docs/google/api/client.rb b/google-cloud-network_management-v1/proto_docs/google/api/client.rb
index 7796382e3a21..e62ceba4577a 100644
--- a/google-cloud-network_management-v1/proto_docs/google/api/client.rb
+++ b/google-cloud-network_management-v1/proto_docs/google/api/client.rb
@@ -31,6 +31,8 @@ module Api
     # @!attribute [rw] selective_gapic_generation
     #   @return [::Google::Api::SelectiveGapicGeneration]
     #     Configuration for which RPCs should be generated in the GAPIC client.
+    #
+    #     Note: This field should not be used in most cases.
     class CommonLanguageSettings
       include ::Google::Protobuf::MessageExts
       extend ::Google::Protobuf::MessageExts::ClassMethods
@@ -441,6 +443,8 @@ class LongRunning
 
     # This message is used to configure the generation of a subset of the RPCs in
     # a service for client libraries.
+    #
+    # Note: This feature should not be used in most cases.
     # @!attribute [rw] methods
     #   @return [::Array<::String>]
     #     An allowlist of the fully qualified names of RPCs that should be included
diff --git a/google-cloud-network_management-v1/proto_docs/google/cloud/networkmanagement/v1/trace.rb b/google-cloud-network_management-v1/proto_docs/google/cloud/networkmanagement/v1/trace.rb
index 102040ca8fcf..0ee4d9c06614 100644
--- a/google-cloud-network_management-v1/proto_docs/google/cloud/networkmanagement/v1/trace.rb
+++ b/google-cloud-network_management-v1/proto_docs/google/cloud/networkmanagement/v1/trace.rb
@@ -663,7 +663,9 @@ module TargetType
         #   @return [::String]
         #     Region of the route. DYNAMIC, PEERING_DYNAMIC, POLICY_BASED and ADVERTISED
         #     routes only. If set for POLICY_BASED route, this is a region of VLAN
-        #     attachments for Cloud Interconnect the route applies to.
+        #     attachments for Cloud Interconnect the route applies to. If set to "all"
+        #     for POLICY_BASED route, the route applies to VLAN attachments of Cloud
+        #     Interconnect in all regions.
         # @!attribute [rw] dest_ip_range
         #   @return [::String]
         #     Destination IP range of the route.