diff --git a/Getting-Started.md b/Getting-Started.md
index 74e1a69..c9d7891 100644
--- a/Getting-Started.md
+++ b/Getting-Started.md
@@ -78,4 +78,10 @@ At that point, you will have a functioning micropython executable, which may be
 
 ### ArchLinux
 
-### Gentoo Linux
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+### Gentoo Linux
+
+### Mac OSX
+
+OSX is only supported on the osx branch. First do :
+
+git checkout osx 
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