diff --git a/README.md b/README.md
index f613614..2a0348d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Automated guilloche graph generator
 
-![d3-guilloche](https://user-images.githubusercontent.com/10194510/40121518-0dfd8eba-5922-11e8-8109-d5cc75cad172.png)
+![d3-guilloche](https://user-images.githubusercontent.com/10194510/40454963-20fbf46a-5eeb-11e8-863f-e8c619d8cda0.png)
 
 ## Development server
 
@@ -20,14 +20,14 @@ The author of this software is Michael Czechowski, web developer based in Stuttg
 
 ## Contributors
 
-- Michael Czechowski <mail@dailysh.it>
+- Michael Czechowski (<mail@dailysh.it>)
 - Erik Kimsey
 - Martin Maga
 
-
 ## License
 
 Copyright (C) 2018 Michael Czechowski
+
 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.