README.md in google-cloud-monitoring-0.29.3 vs README.md in google-cloud-monitoring-0.29.4

@@ -24,19 +24,19 @@
 ### Preview
 #### MetricServiceClient
 ```rb
 require "google/cloud/monitoring"
 
-metric_service_client = Google::Cloud::Monitoring::Metric.new
+metric_client = Google::Cloud::Monitoring::Metric.new
 formatted_name = Google::Cloud::Monitoring::V3::MetricServiceClient.project_path(project_id)
 
 # Iterate over all results.
-metric_service_client.list_monitored_resource_descriptors(formatted_name).each do |element|
+metric_client.list_monitored_resource_descriptors(formatted_name).each do |element|
   # Process element.
 end
 
 # Or iterate over results one page at a time.
-metric_service_client.list_monitored_resource_descriptors(formatted_name).each_page do |page|
+metric_client.list_monitored_resource_descriptors(formatted_name).each_page do |page|
   # Process each page at a time.
   page.each do |element|
     # Process element.
   end
 end