Update README.md

README.md

@@ -6,7 +6,14 @@ A simple java command line application for Amazon Glacier. You can find the late
 How to get it
 =============
 
-Either [download a binary][0] or [build the software yourself from sourcecode][5].
+Either [download a binary][0] or build the software yourself.
+
+How to build it
+---------------
+
+1. Check out the sourcecode `git clone https://github.com/MoriTanosuke/glacieruploader.git`
+2. Build with maven `mvn package`
+3. Run
 
 [![Build Status](https://travis-ci.org/MoriTanosuke/glacieruploader.svg)](https://travis-ci.org/MoriTanosuke/glacieruploader)
 [![Quality Gate](https://sonarqube.com/api/badges/gate?key=de.kopis.glacier%3Aglacieruploader-parent)](https://sonarcloud.io/dashboard?id=de.kopis.glacier%3Aglacieruploader-parent)