Edit text mentioning to use sudo

Ideally the machine running this application
will be set up with the correct ‘user and
permissions’ settings. Thus removing the need to
use the sudo command.

Author: Kai Chan Vong

README.md

@@ -4,7 +4,7 @@ This is the source code for <http://tutorials.codebar.io>
 
 This is a [GitHub Pages](https://pages.github.com/) repo, so you can render the pages with [Jekyll](http://jekyllrb.com/):
 
-1. `bundle install`, which will install Jekyll (`sudo` if needed)
+1. `bundle install`, which will install Jekyll
 2. `bundle exec jekyll serve`
 3. go to http://127.0.0.1:4000
 
@@ -15,3 +15,4 @@ We encourage you to contribute with your suggestions and corrections, head to ou
 ## License
 
 Codebar Tutorials are released under the [Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)](http://creativecommons.org/licenses/by-nc-sa/4.0/).
+