Some minor adjustments in README.md

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

README.md

@@ -3,9 +3,12 @@
 [![Build Status](https://travis-ci.org/linux-sunxi/sunxi-tools.svg?branch=master)](https://travis-ci.org/linux-sunxi/sunxi-tools)
 
 Copyright (C) 2012  Alejandro Mery <amery@geeks.cl>
+<br>For a full list of contributors, see
+[this link](https://github.com/linux-sunxi/sunxi-tools/contributors)
+or use the command `git shortlog -se --no-merges`.
 
-Tools to help hacking Allwinner A10 (aka sun4i) based devices and possibly
-it's successors, that's why the 'x' in the package name.
+Tools to help hacking Allwinner A10 (aka sun4i) based devices and
+its successors ([sunxi][]), that's why the 'x' in the package name.
 
 ### sunxi-fexc
 `.fex` file (de)compiler
@@ -92,4 +95,5 @@ This software is licensed under the terms of GPLv2+ as defined by the
 Free Software Foundation, details can be read in the [LICENSE.md](LICENSE.md)
 file.
 
+[sunxi]: http://linux-sunxi.org
 [fel mode]: http://linux-sunxi.org/FEL