Describe new build command.

RubenVerborgh · RubenVerborgh · commit bf95b0a5b428 · 2017-09-02T10:08:18.000-04:00
diff --git a/README.md b/README.md
@@ -46,7 +46,7 @@ npm install --save rdflib
 
 #### Subdirectories
 
-- `dist`: Where the bundled libraries are built.  Run 'make' to generate them.
+- `dist`: Where the bundled libraries are built. Run `npm run build` to generate them.
 - `test`: Tests are here.
 - `lib`: Transpiled, non-bundled library is built here when the library is
   published to npm.
