Update README.md

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Will Charczuk 2016-07-07 20:43:13 -07:00 committed by GitHub
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@ -43,7 +43,9 @@ graph := chart.Chart{
graph.Render(chart.PNG, buffer) //thats it!
```
The Key areas to note are that we have to explicitly turn on two features, the axes and the last value label.
The key areas to note are that we have to explicitly turn on two features, the axes and the last value label. When calling `.Render(..)` we add a parameter, `chart.PNG` that tells the renderer to use a raster renderer (in this case, an awesome library called `draw2d`).
Coming in the near future will be the option to output to SVG.
# Design Philosophy