README.md in rails-settings-cached-2.7.0 vs README.md in rails-settings-cached-2.7.1

@@ -32,11 +32,11 @@
   # cache_prefix { "v1" }
 
   scope :application do
     field :app_name, default: "Rails Settings", validates: { presence: true, length: { in: 2..20 } }
     field :host, default: "http://example.com", readonly: true
-    field :default_locale, default: "zh-CN", validates: { presence: true, inclusion: { in: %w[zh-CN en jp] } }, option_values: %w[en zh-CN]
+    field :default_locale, default: "zh-CN", validates: { presence: true, inclusion: { in: %w[zh-CN en jp] } }, option_values: %w[en zh-CN jp], help_text: "Bla bla ..."
     field :admin_emails, type: :array, default: %w[[e-mail]]
 
     # lambda default value
     field :welcome_message, type: :string, default: -> { "welcome to #{self.app_name}" }, validates: { length: { maximum: 255 } }
     # Override array separator, default: /[\n,]/ split with \n or comma.
@@ -44,25 +44,27 @@
   end
 
   scope :limits do
     field :user_limits, type: :integer, default: 20
     field :exchange_rate, type: :float, default: 0.123
-    field :captcha_enable, type: :boolean, default: true, group: :limits
+    field :captcha_enable, type: :boolean, default: true
   end
 
   field :notification_options, type: :hash, default: {
     send_all: true,
     logging: true,
     sender_email: "[e-mail]"
-  }, group: :advanced
+  }
 
   field :readonly_item, type: :integer, default: 100, readonly: true
 end
 ```
 
 You must use the `field` method to statement the setting keys, otherwise you can't use it.
 
+The `scope` method allows you to group the keys for admin UI.
+
 Now just put that migration in the database with:
 
 ```bash
 $ rails db:migrate
 ```
@@ -147,16 +149,19 @@
 
 # Get readonly keys
 Setting.readonly_keys
 => ["host", "readonly_item"]
 
-# Get options of field
+# Get field
 Setting.get_field("host")
 => { scope: :application, key: "host", type: :string, default: "http://example.com", readonly: true }
 Setting.get_field("app_name")
 => { scope: :application, key: "app_name", type: :string, default: "Rails Settings", readonly: false }
 Setting.get_field(:user_limits)
 => { scope: :limits, key: "user_limits", type: :integer, default: 20, readonly: false }
+# Get field options
+Setting.get_field("default_locale")[:options]
+=> { option_values: %w[en zh-CN jp], help_text: "Bla bla ..." }
 ```
 
 #### Get All defined fields
 
 > version 2.7.0+