Update readme

README.md

@@ -1,6 +1,6 @@
 # colormap [![Build Status](https://travis-ci.org/bpostlethwaite/colormap.png)](https://travis-ci.org/bpostlethwaite/colormap)
 
-![all colormap output](./example/colormaps.png)
+![all colormap output](./colormaps.png)
 
 ## Usage
 
@@ -35,7 +35,7 @@ where leaving `options = {}` or `undefined` results in the defaults given above.
 The `colormap` option can be any of the supported builtin colormaps. Or you can add your own. For an example of how to add your own see the json format available at:
 
 ```javascript
-colorscales = require('colormap/colorScales')
+colorscales = require('colormap/colormap')
 ```
 
 Colorscales are a sequence of objects containing an `index` and `rgb` key. The index defines how fast or slow the `rgb` values will change from one segment to the next. Ie.the steepness of the gradient between two segments. The `rgb` parameter can hold a length 3 or 4 array, depending if alpha values are included in the mapping.