README.md in sinclair-1.3.4 vs README.md in sinclair-1.4.0

@@ -12,11 +12,11 @@
 that enables creation of methods on the fly through class
 methods
 
 Yard Documentation
 -------------------
-https://www.rubydoc.info/gems/sinclair/1.3.4
+https://www.rubydoc.info/gems/sinclair/1.4.0
 
 Installation
 ---------------
   - Install it
 
@@ -333,11 +333,13 @@
 ```
 
 Configurations can also be done through custom classes
 
 ```ruby
-  class MyServerConfig
+  class MyServerConfig < Sinclair::Config
+    config_attributes :host, :port
+
     def url
       if @port
         "http://#{@host}:#{@port}"
       else
         "http://#{@host}"
@@ -346,10 +348,10 @@
   end
 
   class Client
     extend Sinclair::Configurable
 
-    configurable_by MyServerConfig, with: %i[host port]
+    configurable_by MyServerConfig
   end
 
   Client.configure do
     host 'interstella.com'
   end