rename

Author: rbast

README.md

@@ -1,7 +1,7 @@
 
 [![Build Status](https://travis-ci.org/rbast/numgrid.svg?branch=master)](https://travis-ci.org/rbast/numgrid/builds) [![Coverage Status](https://coveralls.io/repos/rbast/numgrid/badge.png?branch=master)](https://coveralls.io/r/rbast/numgrid?branch=master)
 
-![alt text](https://github.com/rbast/numgrid/raw/master/images/truegrid.jpg "numgrid")
+![alt text](https://github.com/rbast/numgrid/raw/master/img/truegrid.jpg "numgrid")
 
 - [Build and test history](https://travis-ci.org/rbast/numgrid/builds)
 - [Code coverage](https://coveralls.io/r/rbast/numgrid)