RRDTool 1.x master build status: [![Build Status](https://travis-ci.org/oetiker/rrdtool-1.x.png?branch=master)](https://travis-ci.org/oetiker/rrdtool-1.x)
test coverage [![Coverage Status](https://coveralls.io/repos/oetiker/rrdtool-1.x/badge.png?branch=master)](https://coveralls.io/r/oetiker/rrdtool-1.x?branch=master)
-RRDtool 1.5.x build status: [![Build Status](https://travis-ci.org/oetiker/rrdtool-1.x.png?branch=1.5)](https://travis-ci.org/oetiker/rrdtool-1.x)
+RRDtool 1.6.x build status: [![Build Status](https://travis-ci.org/oetiker/rrdtool-1.x.png?branch=1.6)](https://travis-ci.org/oetiker/rrdtool-1.x)
RRDtool is a little program for easily maintaining a database of time-series
data. It comes with a charting program for drawing pretty graphs based on