README.md in pliny-sidekiq-0.2.0 vs README.md in pliny-sidekiq-0.2.1

@@ -27,10 +27,10 @@
 
 ```ruby
 Sidekiq.configure_server do |config|
   config.server_middleware do |chain|
     chain.add Pliny::Sidekiq::Middleware::Server::RequestId
-    chain.add Pliny::Sidekiq::Middleware::Server::Log, metric_prefix: 'my-app'
+    chain.add Pliny::Sidekiq::Middleware::Server::Log
   end
 
   config.client_middleware do |chain|
     chain.add Pliny::Sidekiq::Middleware::Client::RequestId
     chain.add Pliny::Sidekiq::Middleware::Client::Log