diff --git a/README.md b/README.md
index 371a0ac..5a6ffc2 100644
--- a/README.md
+++ b/README.md
@@ -99,17 +99,15 @@ You can also create custom scrubbers in your application if you want to.
 
 ```ruby
 class CommentScrubber < Rails::Html::PermitScrubber
-  def allowed_node?(node)
-    !%w(form script comment blockquote).include?(node.name)
+  def initialize
+    super
+    self.tags = %w( form script comment blockquote )
+    self.attributes = %w( style )
   end
 
   def skip_node?(node)
     node.text?
   end
-
-  def scrub_attribute?(name)
-    name == "style"
-  end
 end
 ```