README.md in polyfill-1.8.0 vs README.md in polyfill-1.9.0

@@ -1,10 +1,12 @@
 # Polyfill
 
 [![Version](https://img.shields.io/gem/v/polyfill.svg?style=flat-square)](https://rubygems.org/gems/polyfill)
 [![Build](https://img.shields.io/travis/AaronLasseigne/polyfill.svg?style=flat-square)](https://travis-ci.org/AaronLasseigne/polyfill)
 
+**This gem is no longer supported. I'd recommend exploring [ruby-next](https://github.com/ruby-next/ruby-next) as a replacement.**
+
 Polyfill implements newer Ruby features into older versions. If the Ruby
 version already supports the polyfill then calling it does nothing. This is
 designed to allow gem maintainers to use newer methods and gain their
 advantages while retaining backwards compatibility. It can also be used for
 code that would like newer features but is not completely ready to upgrade
@@ -26,10 +28,10 @@
 ## Installation
 
 Add it to your Gemfile:
 
 ```ruby
-gem 'polyfill', '~> 1.8'
+gem 'polyfill', '~> 1.9'
 ```
 
 Or install it manually:
 
 ```sh