README.md in private_attr-1.1.0 vs README.md in private_attr-2.0.0

@@ -55,9 +55,10 @@
   extend PrivateAttr
 
   private_attr_accessor :foo
   private_attr_reader :baz
   private_attr_writer :bat
+  private_alias_method :bar, :foo
 
   def initialize foo
     self.foo = foo
   end
 end