diff --git a/README.md b/README.md
index 07df766..33e9b7d 100755
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
-PHP Quick Start Sample for Digital Goods API Copyright (C) 2013 Google Inc.
+# Project status
+![status: inactive](https://img.shields.io/badge/status-inactive-red.svg)
+
+This project is no longer actively maintained, and remains here as an archive of this work.
 
 digitalgoods-sample-php
 =======================