README.md in ffprober-0.2.3 vs README.md in ffprober-0.3.0

@@ -31,14 +31,27 @@
 
 according to [ffmpeg changelog](http://git.videolan.org/?p=ffmpeg.git;a=blob_plain;f=Changelog) json output was added in version 0.9
 
 [ffprobe documentation](http://www.ffmpeg.org/ffprobe.html)
 
+## Improve FFMPEG version detection
+
+help me collecting various version outputs of fprobe/ffmpeg
+
+1. run `ffprobe -version` on your system
+2. open an issue and send the output to me along with the expected version
+3. profit
+
 ## Supported Rubies
 
 Ffprober is tested under 1.9.3, 2.0, JRuby (1.9mode) and Rubinius (1.9mode) and ruby-head.
 
 [![Build Status](https://secure.travis-ci.org/beanieboi/ffprober.png?branch=master)](http://travis-ci.org/beanieboi/ffprober)
+
+## Contributors
+
+- Michael B. Kulik
+- rmoriz
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)