Update README.

README.md

@@ -32,10 +32,10 @@ You can also use the standalone D3 microlibraries. For example, [d3-selection](h
 <script src="https://d3js.org/d3-selection.v1.js"></script>
 ```
 
-D3 is written using [ES2015 modules](http://www.2ality.com/2014/09/es6-modules-final.html). Create a [custom bundle using Rollup](http://bl.ocks.org/mbostock/bb09af4c39c79cffcde4), Webpack, or your preferred bundler. To import D3 into an ES2015 application, either import specific symbols:
+D3 is written using [ES2015 modules](http://www.2ality.com/2014/09/es6-modules-final.html). Create a [custom bundle using Rollup](http://bl.ocks.org/mbostock/bb09af4c39c79cffcde4), Webpack, or your preferred bundler. To import D3 into an ES2015 application, either import specific symbols from specific D3 modules:
 
 ```js
-import {scaleLinear} from "d3";
+import {scaleLinear} from "d3-scale";
 ```
 
 Or import everything into a namespace (here, `d3`):