Update README.md

Updating docs page location and small summary for readme

README.md

@@ -1,12 +1,16 @@
-Pyflex
-======
+<p align="center">
+  <img src="doc/logo.svg"/>
+</p>
+
+-------------------------------------
 
 [![Build Status](https://travis-ci.org/krischer/pyflex.svg?branch=master)](https://travis-ci.org/krischer/pyflex) [![Coverage Status](https://img.shields.io/coveralls/krischer/pyflex/master.svg)](https://coveralls.io/r/krischer/pyflex) [![PyPI Version](https://img.shields.io/pypi/v/pyflex.svg)](https://pypi.python.org/pypi/pyflex) [![Supported Python versions](https://img.shields.io/pypi/pyversions/pyflex.svg)](https://pypi.python.org/pypi/pyflex/) [![License](https://img.shields.io/pypi/l/pyflex.svg)](https://pypi.python.org/pypi/pyflex/) [![DOI](https://zenodo.org/badge/doi/10.5281/zenodo.31607.svg)](http://dx.doi.org/10.5281/zenodo.31607)
 
 
 
-[Documentation (__Currently not working, we'll be back soon!__)](http://krischer.github.io/pyflex/)
+`Pyflex` is a Python port of the FLEXWIN algorithm for automatically selecting windows for seismic tomography. 
+
+[Documentation](http://adjtomo.github.io/pyflex/) contains details on installation, usage and API.
+
+
 
-<p align="center">
-  <img src="doc/logo.svg"/>
-</p>