AUTHENTICATION.md in google-cloud-dataplex-v1-0.19.0 vs AUTHENTICATION.md in google-cloud-dataplex-v1-0.20.0

@@ -54,25 +54,25 @@
 To configure a credentials file for an individual client initialization:
 
 ```ruby
 require "google/cloud/dataplex/v1"
 
-client = ::Google::Cloud::Dataplex::V1::ContentService::Client.new do |config|
+client = ::Google::Cloud::Dataplex::V1::DataplexService::Client.new do |config|
   config.credentials = "path/to/credentialfile.json"
 end
 ```
 
 To configure a credentials file globally for all clients:
 
 ```ruby
 require "google/cloud/dataplex/v1"
 
-::Google::Cloud::Dataplex::V1::ContentService::Client.configure do |config|
+::Google::Cloud::Dataplex::V1::DataplexService::Client.configure do |config|
   config.credentials = "path/to/credentialfile.json"
 end
 
-client = ::Google::Cloud::Dataplex::V1::ContentService::Client.new
+client = ::Google::Cloud::Dataplex::V1::DataplexService::Client.new
 ```
 
 ### Environment Variables
 
 You can also use an environment variable to provide a JSON credentials file.
@@ -98,10 +98,10 @@
 ```ruby
 require "google/cloud/dataplex/v1"
 
 ENV["GOOGLE_APPLICATION_CREDENTIALS"] = "path/to/credentialfile.json"
 
-client = ::Google::Cloud::Dataplex::V1::ContentService::Client.new
+client = ::Google::Cloud::Dataplex::V1::DataplexService::Client.new
 ```
 
 ### Local ADC file
 
 You can set up a local ADC file with your user credentials for authentication during