README: some rephrasing

Author: yetanotherion

README.md

@@ -4,21 +4,20 @@ ml2mxml
 ml2mxml is an OCaml library to generate
 musicxml (http://www.musicxml.com/) files.
 
-That library has been developed for two reasons:
+That library was developed for two reasons:
 - the lack of what 'git' offers, in music score editors,
 - the hard time experienced when using the cut/copy/paste features
-  of the Guitar Pro 6 music score editor.
+  of Guitar Pro 6 (http://www.guitar-pro.com/en/index.php).
 
 
 With that library, music can be written as:
 - write an OCaml program (see examples/hello_ode_of_joy.ml),
 - compile/execute it (% omake ex),
-- and open the generated musicxml file, with for example a midi
+- open the generated musicxml file, with for example a midi
   player that understands the format (see http://www.musicxml.com/software/).
 
-Up to now, the generated files were tested with Guitar Pro 6
-(http://www.guitar-pro.com/en/index.php) only.
-If you experience issues with another musicxml reader,
+Up to now, the generated files were tested with Guitar Pro 6 only.
+If you're experiencing problems with another musicxml reader,
 don't hesitate at creating issues (https://github.com/yetanotherion/ml2mxml/issues).