Update README.md

Author: millerscout

README.md

@@ -133,15 +133,14 @@ alternatively as Service, [as shown here](http://plnkr.co/edit/4JdONL)
 
 If you want to build or contribute, first, get the node modules needed (grunt, bower)
 
-    npm install
+    npm install 
+    p.s.: this will run `bower install` after completes :)
 
-Next, use bower to get the JS libraries needed
 
-    node_modules/.bin/bower install
+Then, get grunt to build the typescript into .js and the minified angular-intro.min.js
 
-Then, whenever you make any changes, get grunt to build the minified angular-intro.min.js
-
-    node_modules/.bin/grunt
+    node_modules/.bin/grunt watch
+    p.s.: for faster build use `tsc --watch`, but you need run grunt after finish 
 
 Finally, view the demo page to make sure everything's working; start a web server:
 
@@ -151,7 +150,6 @@ And browse to `http://localhost:8000/example/index.html`
 
 
 
-
 ## License
 
 Same as intro.js, this is [AGPL](LICENSE)