README.md in google-cloud-monitoring-1.4.1 vs README.md in google-cloud-monitoring-1.5.0

@@ -45,10 +45,10 @@
 See the {file:MIGRATING.md MIGRATING.md} document for more information.
 
 ## Enabling Logging
 
 To enable logging for this library, set the logger for the underlying [gRPC](https://github.com/grpc/grpc/tree/master/src/ruby) library.
-The logger that you set may be a Ruby stdlib [`Logger`](https://ruby-doc.org/stdlib/libdoc/logger/rdoc/Logger.html) as shown below,
+The logger that you set may be a Ruby stdlib [`Logger`](https://ruby-doc.org/current/stdlibs/logger/Logger.html) as shown below,
 or a [`Google::Cloud::Logging::Logger`](https://googleapis.dev/ruby/google-cloud-logging/latest)
 that will write logs to [Cloud Logging](https://cloud.google.com/logging/). See [grpc/logconfig.rb](https://github.com/grpc/grpc/blob/master/src/ruby/lib/grpc/logconfig.rb)
 and the gRPC [spec_helper.rb](https://github.com/grpc/grpc/blob/master/src/ruby/spec/spec_helper.rb) for additional information.
 
 Configuring a Ruby stdlib logger: