diff --git a/google-cloud-bigtable-v2/lib/google/bigtable/v2/feature_flags_pb.rb b/google-cloud-bigtable-v2/lib/google/bigtable/v2/feature_flags_pb.rb
index 45c1f6b79c8f..a8e716c23597 100644
--- a/google-cloud-bigtable-v2/lib/google/bigtable/v2/feature_flags_pb.rb
+++ b/google-cloud-bigtable-v2/lib/google/bigtable/v2/feature_flags_pb.rb
@@ -5,7 +5,7 @@
 require 'google/protobuf'
 
 
-descriptor_data = "\n&google/bigtable/v2/feature_flags.proto\x12\x12google.bigtable.v2\"i\n\x0c\x46\x65\x61tureFlags\x12\x15\n\rreverse_scans\x18\x01 \x01(\x08\x12\x1e\n\x16mutate_rows_rate_limit\x18\x03 \x01(\x08\x12\"\n\x1alast_scanned_row_responses\x18\x04 \x01(\x08\x42\xbd\x01\n\x16\x63om.google.bigtable.v2B\x11\x46\x65\x61tureFlagsProtoP\x01Z:google.golang.org/genproto/googleapis/bigtable/v2;bigtable\xaa\x02\x18Google.Cloud.Bigtable.V2\xca\x02\x18Google\\Cloud\\Bigtable\\V2\xea\x02\x1bGoogle::Cloud::Bigtable::V2b\x06proto3"
+descriptor_data = "\n&google/bigtable/v2/feature_flags.proto\x12\x12google.bigtable.v2\"\x8a\x01\n\x0c\x46\x65\x61tureFlags\x12\x15\n\rreverse_scans\x18\x01 \x01(\x08\x12\x1e\n\x16mutate_rows_rate_limit\x18\x03 \x01(\x08\x12\x1f\n\x17mutate_rows_rate_limit2\x18\x05 \x01(\x08\x12\"\n\x1alast_scanned_row_responses\x18\x04 \x01(\x08\x42\xbd\x01\n\x16\x63om.google.bigtable.v2B\x11\x46\x65\x61tureFlagsProtoP\x01Z:google.golang.org/genproto/googleapis/bigtable/v2;bigtable\xaa\x02\x18Google.Cloud.Bigtable.V2\xca\x02\x18Google\\Cloud\\Bigtable\\V2\xea\x02\x1bGoogle::Cloud::Bigtable::V2b\x06proto3"
 
 pool = Google::Protobuf::DescriptorPool.generated_pool
 
diff --git a/google-cloud-bigtable-v2/proto_docs/google/bigtable/v2/feature_flags.rb b/google-cloud-bigtable-v2/proto_docs/google/bigtable/v2/feature_flags.rb
index f9267d09cc43..1787d4a744a4 100644
--- a/google-cloud-bigtable-v2/proto_docs/google/bigtable/v2/feature_flags.rb
+++ b/google-cloud-bigtable-v2/proto_docs/google/bigtable/v2/feature_flags.rb
@@ -21,13 +21,13 @@ module Google
   module Cloud
     module Bigtable
       module V2
-        # Feature flags supported by a client.
+        # Feature flags supported or enabled by a client.
         # This is intended to be sent as part of request metadata to assure the server
         # that certain behaviors are safe to enable. This proto is meant to be
         # serialized and websafe-base64 encoded under the `bigtable-features` metadata
         # key. The value will remain constant for the lifetime of a client and due to
         # HTTP2's HPACK compression, the request overhead will be tiny.
-        # This is an internal implementation detail and should not be used by endusers
+        # This is an internal implementation detail and should not be used by end users
         # directly.
         # @!attribute [rw] reverse_scans
         #   @return [::Boolean]
@@ -36,11 +36,17 @@ module V2
         # @!attribute [rw] mutate_rows_rate_limit
         #   @return [::Boolean]
         #     Notify the server that the client enables batch write flow control by
-        #     requesting RateLimitInfo from MutateRowsResponse.
+        #     requesting RateLimitInfo from MutateRowsResponse. Due to technical reasons,
+        #     this disables partial retries.
+        # @!attribute [rw] mutate_rows_rate_limit2
+        #   @return [::Boolean]
+        #     Notify the server that the client enables batch write flow control by
+        #     requesting RateLimitInfo from MutateRowsResponse. With partial retries
+        #     enabled.
         # @!attribute [rw] last_scanned_row_responses
         #   @return [::Boolean]
         #     Notify the server that the client supports the last_scanned_row field
-        #     in ReadRowsResponse for long-running sparse scans.
+        #     in ReadRowsResponse for long-running scans.
         class FeatureFlags
           include ::Google::Protobuf::MessageExts
           extend ::Google::Protobuf::MessageExts::ClassMethods