X-Git-Url: http://nitlanguage.org

diff --git a/README.md b/README.md
index a382d3e..826686a 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,14 @@ Those are available in most Linux distributions
 
     $ sudo apt-get install build-essential ccache libgc-dev graphviz libunwind-dev pkg-config
 
+and on OS X using brew
+
+    $ brew install ccache bdw-gc graphviz libunwind-headers pkgconfig
+
+or with MacPorts
+
+    $ sudo port install ccache boehmgc graphviz libunwind-headers pkgconfig
+
 Important files and directories:
 
  * benchmarks/	Script to bench the compilers
@@ -57,6 +65,11 @@ To have your environment automatically configured at login, just source it with
 
     $ . misc/nit_env.sh install
 
+Contributing:
+
+To contribute to Nit, please see [CONTRIBUTING](CONTRIBUTING.md).
+
+The best way to ask the team for advice, submit bugs or request features, is through the use of Github issues, using the appropriate tag (`forum`, `feature-request`, `bug`).
 
 Information, contacts and help: