Lint the example code

README.md

@@ -5,33 +5,33 @@
 Mixlib::CLI provides a class-based command line option parsing object, like the one used in Chef, Ohai and Relish. To use in your project:
 
 ```ruby
-require 'mixlib/cli'
+require "mixlib/cli"
 
 class MyCLI
   include Mixlib::CLI
 
   option :config_file,
-    :short => "-c CONFIG",
-    :long  => "--config CONFIG",
-    :default => 'config.rb',
-    :description => "The configuration file to use"
+    short: "-c CONFIG",
+    long: "--config CONFIG",
+    default: "config.rb",
+    description: "The configuration file to use"
 
   option :log_level,
-    :short => "-l LEVEL",
-    :long  => "--log_level LEVEL",
-    :description => "Set the log level (debug, info, warn, error, fatal)",
-    :required => true,
-    :in => [:debug, :info, :warn, :error, :fatal],
-    :proc => Proc.new { |l| l.to_sym }
+    short: "-l LEVEL",
+    long: "--log_level LEVEL",
+    description: "Set the log level (debug, info, warn, error, fatal)",
+    required: true,
+    in: [:debug, :info, :warn, :error, :fatal],
+    proc: Proc.new { |l| l.to_sym }
 
   option :help,
-    :short => "-h",
-    :long => "--help",
-    :description => "Show this message",
-    :on => :tail,
-    :boolean => true,
-    :show_options => true,
-    :exit => 0
+    short: "-h",
+    long: "--help",
+    description: "Show this message",
+    on: :tail,
+    boolean: true,
+    show_options: true,
+    exit: 0
 
 end
 
@@ -53,7 +53,7 @@ class MyConfig
 end
 
 class MyCLI
-  def run(argv=ARGV)
+  def run(argv = ARGV)
     parse_options(argv)
     MyConfig.merge!(config)
   end