diff --git a/README.md b/README.md
index 6ae5b27..30b9ddf 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,16 @@ get "/homes"
 end
 ```
 
+### Support for `default_serializer_options`
+
+```ruby
+  helper do
+    def default_serializer_options
+      {only: params[:only], except: params[:except]}
+    end
+  end
+```
+
 ### current_user
 
 One of the nice features of ActiveModel::Serializers is that it