diff --git a/README.md b/README.md
index cc3733c..623bc9d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://img.shields.io/travis/amphp/amp/master.svg?style=flat-square)](https://travis-ci.org/amphp/amp)
 [![CoverageStatus](https://img.shields.io/coveralls/amphp/amp/master.svg?style=flat-square)](https://coveralls.io/github/amphp/amp?branch=master)
-![Stable v2](https://img.shields.io/badge/stable-v2-green.svg?style=flat-square)
+![Unstable v2](https://img.shields.io/badge/unstable-v2-green.svg?style=flat-square)
 ![License](https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square)
 
 `amphp/amp` is a non-blocking concurrency framework for PHP. It provides an event loop, promises and streams as a base for asynchronous programming.
@@ -25,4 +25,4 @@ Extensions are only needed if your app necessitates high numbers of concurrent s
 
 ```bash
 $ composer require amphp/amp ^2@dev
-```
\ No newline at end of file
+```