Updated README

Gruntfile.js

@@ -256,4 +256,3 @@ module.exports = function (grunt) {
     }
 
 };
-

README.md

@@ -50,11 +50,17 @@ tf.init();
 If the ``base_path`` property is not specified, it will default to ``/tablefilter`` directory:
 ```shell
 your-page.html
- |-- tablefilter 
+ |— tablefilter
 ``` 
 
 ## Development
-If you are not familiar with ``Grunt`` visit this page: [gruntjs.com/getting-started](http://gruntjs.com/getting-started). Once ``Grunt`` is sorted out you can follow the instructions below. 
+This project requires node.js and Grunt to be installed:
+- install [node.js])(https://nodejs.org/)
+- install [gruntjs.com/getting-started](Grunt) from the command line using npm(comes with node.js):
+```shell
+npm install -g grunt-cli
+```
+Once ``Grunt`` is sorted out you can follow the instructions below.
 Start by installing any dependencies.
 
 ```shell
@@ -73,8 +79,7 @@ Use the ``build`` task to generate a production build:
 grunt build
 ```
 
-The ``default`` Grunt task will create a production build and also run the
-tests:
+The ``default`` Grunt task will create a production build, run the tests and finally generate the demos:
 
 ```shell
 grunt