README.md in google-cloud-bigquery-data_transfer-0.2.3 vs README.md in google-cloud-bigquery-data_transfer-0.2.4

@@ -23,19 +23,19 @@
 ### Preview
 #### DataTransferServiceClient
 ```rb
 require "google/cloud/bigquery/data_transfer"
 
-data_transfer_service_client = Google::Cloud::Bigquery::DataTransfer.new
+data_transfer_client = Google::Cloud::Bigquery::DataTransfer.new
 formatted_parent = Google::Cloud::Bigquery::DataTransfer::V1::DataTransferServiceClient.project_path(project_id)
 
 # Iterate over all results.
-data_transfer_service_client.list_data_sources(formatted_parent).each do |element|
+data_transfer_client.list_data_sources(formatted_parent).each do |element|
   # Process element.
 end
 
 # Or iterate over results one page at a time.
-data_transfer_service_client.list_data_sources(formatted_parent).each_page do |page|
+data_transfer_client.list_data_sources(formatted_parent).each_page do |page|
   # Process each page at a time.
   page.each do |element|
     # Process element.
   end
 end