diff --git a/Gemfile b/Gemfile
index 120651f..53b9c1f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in sensu-plugin-minio.gemspec
diff --git a/README.md b/README.md
index d369409..94bafe6 100644
--- a/README.md
+++ b/README.md
@@ -16,16 +16,15 @@ Or install it yourself as:
 
     $ gem install sensu-plugins-minio
 
-## CONFIGURATION
-
-TODO
-
 ## USAGE
 Check if a the local minio version is in the most recent version
 
 ### Optional parameters
 
-TODO
+Checks will check the default URL https://dl.min.io/server/minio/release 
+and the default Platform linux-amd64 for updates. Adjust these optional 
+parameters if you want to check a different platform or for whatever 
+reason need to check a differen URL.
 
 | Parameter          | Description                                     |
 | ------------------ | ----------------------------------------------- |
@@ -52,6 +51,8 @@ release a new version, update the version number in `version.rb`, and then run
 git commits and tags, and push the `.gem` file to
 [rubygems.org](https://rubygems.org).
 
+Plugin follows the [rubocop ruby style guide](https://github.com/rubocop-hq/ruby-style-guide)
+
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at
diff --git a/Rakefile b/Rakefile
index f4cea96..d4befcc 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec) do |r|
-  r.pattern = FileList['test/**/*_spec.rb']
+  r.pattern = FileList['spec/**/*_spec.rb']
 end
 
 RuboCop::RakeTask.new
diff --git a/bin/check-minio-update.rb b/bin/check-minio-update.rb
index 3d3c5f7..4371651 100755
--- a/bin/check-minio-update.rb
+++ b/bin/check-minio-update.rb
@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 #
 # Check for minio updates
 #
@@ -51,41 +53,26 @@ def run
   end
 
   def check_update(checkurl, platform)
-    uri = URI.parse(
-      format(
-        '%<checkurl>s/%<platform>s/minio.shasum',
-        checkurl: checkurl,
-        platform: platform
-      )
-    )
+    uri = URI.parse("#{checkurl}/#{platform}/minio.shasum")
     response = Net::HTTP.get_response(uri)
 
     if response.is_a?(Net::HTTPSuccess)
-      latest_version = response.body.split.last.split('.', 2).last.freeze
+      latest_version = response.body.split.last.split('.', 2).last
     else
-      unknown format(
-        'Unable to gather latest minio version: %<response>s',
-        response: response.body
-      )
+      unknown "Unable to gather latest minio version: #{response.body}"
     end
 
     stdout_str, error_str, status = Open3.capture3('minio version')
     if status.success?
-      local_version = stdout_str.lines.at(1).split.last.freeze
+      local_version = stdout_str.lines.at(1).split.last
     else
-      unknown format(
-        'Unable to gather local minio version: %<error>s',
-        error: error_str
-      )
+      unknown "Unable to gather local minio version: #{error_str}"
     end
 
     if latest_version == local_version
       ok 'No new minio version available'
     else
-      critical format(
-        'New minio version available %<version>s',
-        version: latest_version
-      )
+      critical "New minio version available #{latest_version}"
     end
   end
 end
diff --git a/bin/console b/bin/console
index 8075c3c..269acc7 100755
--- a/bin/console
+++ b/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'bundler/setup'
 require 'sensu/plugins/minio'
diff --git a/lib/sensu/plugins/minio.rb b/lib/sensu/plugins/minio.rb
deleted file mode 100644
index 61884b3..0000000
--- a/lib/sensu/plugins/minio.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-require 'sensu/plugins/minio/version'
-
-module Sensu
-  module Plugins
-    module Minio
-      # Your code goes here...
-    end
-  end
-end
diff --git a/lib/sensu/plugins/minio/version.rb b/lib/sensu/plugins/minio/version.rb
index 5036a0f..f0fdb17 100644
--- a/lib/sensu/plugins/minio/version.rb
+++ b/lib/sensu/plugins/minio/version.rb
@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 module Sensu
   module Plugins
     module Minio
-      VERSION = '0.0.1'.freeze
+      VERSION = '0.0.1'
     end
   end
 end
diff --git a/sensu-plugins-minio.gemspec b/sensu-plugins-minio.gemspec
index 322f5cc..fcc08c3 100644
--- a/sensu-plugins-minio.gemspec
+++ b/sensu-plugins-minio.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require_relative 'lib/sensu/plugins/minio/version'
diff --git a/test/check-minio-update_spec.rb b/spec/check-minio-update_spec.rb
similarity index 93%
rename from test/check-minio-update_spec.rb
rename to spec/check-minio-update_spec.rb
index 1e2a92f..16d1f3f 100644
--- a/test/check-minio-update_spec.rb
+++ b/spec/check-minio-update_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'json'
 require 'webmock/rspec'
 
@@ -25,7 +27,7 @@
     allow(@check).to receive(:output)
   end
 
-  it 'should bo ok if versions are equal' do
+  it 'should be ok if versions are equal' do
     @api.to_return(latest_version_return)
     allow(status).to receive(:success?).and_return(true)
     allow(Open3).to receive(:capture3).with('minio version').and_return([local_version_return, nil, status])
@@ -66,10 +68,10 @@
   end
 
   it 'should be unknown if release url changes ' do
-    latest_version_return_404 = [body: '404 Not Found', status: 404]
-    @api.to_return(latest_version_return_404)
+    not_found = [body: '404 Not Found', status: 404]
+    @api.to_return(not_found)
     allow(status).to receive(:success?).and_return(false)
-    allow(Open3).to receive(:capture3).with('minio version').and_return([nil, 'Minio not found', status])
+    allow(Open3).to receive(:capture3).with('minio version').and_return([local_version_return, nil, status])
 
     expect { @check.run }.to raise_error do |error|
       expect(error).to be_a SystemExit