update README

README.md

@@ -5,13 +5,15 @@ Enables Smarty 'trimwhitespace' Outputfilter to minify HTML Code
 Installation
 ------------
 
-1.    Download
- * [download zip](https://github.com/alfredbez/ab_htmlmin/archive/master.zip) and extract zip
- * OR
- * download using git clone ```git clone https://github.com/alfredbez/ab_htmlmin.git```
+1. [download zip](https://github.com/alfredbez/ab_htmlmin/archive/master.zip) and extract zip
 2.    move folder 'ab_htmlmin' to your 'modules'-folder
 3.    Activate module in the OXID backend
 
+OR
+
+1. use oxid with composer: ```git clone https://github.com/robinlehrmann/oxideshop_ce.git```
+2. add the module in composer.json with ```composer.phar require alfredbez/ab_htmlmin dev-master```
+
 ----
 
 After uploading the module, your directory should look like this: