Update README.

Author: Kahlil Lechelt

README.md

@@ -4,20 +4,20 @@ A Yeoman generator for [INIT](http://use-init.com).
 
 _Work in progress._
 
-## The main generator
+## Main Generator
 
 To try it out type in the following into your command line:
 
-```bash
+```sh
 npm install -g yo
 npm install -g generator-init
 yo init
 ```
-## The sub-generator page
+## Sub-Generator Page
 
 Use the following command
 
-```bash
+```sh
 yo init:page '<pagename>'
 ```
 to create a new page snippet for INITs simple static page generator.