Update README.md

Author: liv-acollins

README.md

@@ -1,6 +1,6 @@
 phpMs
 =====
-phpMs is PHP-based free open-source library for proteomics. The library contains a core set of classes for storing common data such as spectra, peptides and proteins. In addition the library contains a number of readers and/or writers for common file formats, including MGF, FASTA, mzIdentML, proBed. The library also contains a number of useful utiltities for performing protein digestion, peptide fragmentation, and search engine intergration.
+phpMs is PHP-based free open-source library for proteomics. The library contains a core set of classes for storing common data such as spectra, peptides and proteins. In addition the library contains a number of readers and/or writers for common file formats, including MGF, FASTA, mzIdentML, proBed. The library also contains a number of useful utilities for performing protein digestion, peptide fragmentation, and search engine integration.
 
 ![Build Status](http://pgb.liv.ac.uk/jenkins/buildStatus/icon?job=php-ms)
 ![Quality Gate](http://pgb.liv.ac.uk/ci/phpMs/badge/gate.svg)
@@ -13,26 +13,21 @@ Requirements
 ------------
 - PHP Version 5.4+
   - ext/xsl
+  
+Install
+-------
 
-Composer Installation
----------------------
-
-phpMs  can be used with [Composer](https://getcomposer.org/) and is available via [Packagist](https://packagist.org/packages/pgb-liv/php-ms).
+To install the library use [Composer](https://getcomposer.org/)
 
+    composer require pgb-liv/php-ms
+  
+Or add it to your existing composer.json:
 
-	"require" : {
-		  "pgb-liv/php-ms" : "dev-master"
-	},
-
-Git Installation
-----------------
-
-For non-composer users or phpMs developers, phpMs source can be pulled directly.
-
-    git clone git://github.com/PGB-LIV/php-ms.git
-    composer install
+    "require" : {
+        "pgb-liv/php-ms" : "1.*"
+    },
 
-The composer install will add any dependencies required to run tests.
+Releases made available by GitHub ande the GitHub source do not include depedency code. It is recommended you always use phpMs via Composer.
 
 API Documentation
 -----------------