diff --git a/NEWS.md b/NEWS.md index f41b20a114..24b7986b50 100644 --- a/NEWS.md +++ b/NEWS.md @@ -411,7 +411,7 @@ Excluding feature bug fixes. * RBS is a new language for type definition of Ruby programs. It allows writing types of classes and modules with advanced - types including union types, overloading, generics, and + types including union types, overloading, generics, and _interface types_ for duck typing. * Ruby ships with type definitions for core/stdlib classes.