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

diff --git a/README.md b/README.md
index a382d3e..1a5dd3c 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Requirements:
  * gcc		http://gcc.gnu.org/ (or a compatible C compiler)
  * pkg-config	http://www.freedesktop.org/wiki/Software/pkg-config/
  * ccache	http://ccache.samba.org/	to improve recompilation
- * libgc-dev	http://www.hpl.hp.com/personal/Hans_Boehm/gc/
+ * libgc-dev	http://hboehm.info/gc/
  * graphviz	http://www.graphviz.org/	to enable graphs with the nitdoc tool
  * libunwind	http://nongnu.org/libunwind
 
@@ -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