Update README.md

diff --git a/README.md b/README.md
index a257e0e8d98f6069d8f543b41fe675788434b851..86b09745693906d4607f9eb9ec7b4e2e68c3ca55 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![Join the chat at https://gitter.im/gkostka/lwext4](https://badges.gitter.im/gkostka/lwext4.svg)](https://gitter.im/gkostka/lwext4?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![License (3-Clause BSD)](https://img.shields.io/badge/license-BSD%203--Clause-blue.svg?style=flat-square)](http://opensource.org/licenses/BSD-3-Clause)
 [![Build Status](https://travis-ci.org/gkostka/lwext4.svg)](https://travis-ci.org/gkostka/lwext4)
+[![](http://img.shields.io/gratipay/user/gkostka.svg)](https://gratipay.com/gkostka/)
 
 ![lwext4](https://cloud.githubusercontent.com/assets/8606098/11697327/68306d88-9eb9-11e5-8807-81a2887f077e.png)