update readme

README.md

@@ -3,14 +3,18 @@ SublimeLinter-phpmd
 
 [![Build Status](https://travis-ci.org/SublimeLinter/SublimeLinter-phpmd.svg?branch=master)](https://travis-ci.org/SublimeLinter/SublimeLinter-phpmd)
 
-This linter plugin for [SublimeLinter](https://github.com/SublimeLinter/SublimeLinter) provides an interface to [phpmd](http://phpmd.org/documentation/index.html). It will be used with files that have the “PHP”, “HTML” and “HTML5” syntax.
+This linter plugin for [SublimeLinter](https://github.com/SublimeLinter/SublimeLinter) provides an interface to [phpmd](http://phpmd.org/documentation/index.html).
+It will be used with files that have the "PHP", "HTML" and "HTML5" syntax.
+
 
 ## Installation
+
 SublimeLinter must be installed in order to use this plugin. 
 
 Please use [Package Control](https://packagecontrol.io) to install the linter plugin.
 
-Before installing this plugin, you must ensure that `phpmd` is installed on your system. To install `phpmd`, do the following:
+Before installing this plugin, ensure that `phpmd` is installed on your system.
+To install `phpmd`, do the following:
 
 1. Install [php](http://php.net).
 
@@ -23,7 +27,8 @@ Before installing this plugin, you must ensure that `phpmd` is installed on your
    pear install --alldeps phpmd/PHP_PMD
    ```
 
-#### Alternative installation using [composer](https://getcomposer.org/):
+### Alternative installation using [composer](https://getcomposer.org/):
+
 1. Install [composer](https://getcomposer.org/).
 2. Install `phpmd` using below command:
 ```
@@ -34,7 +39,9 @@ composer global require phpmd/phpmd
 export PATH=~/.composer/vendor/bin:$PATH
 ```
 
+
 ## Settings
+
 - SublimeLinter settings: http://sublimelinter.com/en/latest/settings.html
 - Linter settings: http://sublimelinter.com/en/latest/linter_settings.html