diff --git a/README b/README
index f16b31e0..364aeaf8 100644
--- a/README
+++ b/README
@@ -35,6 +35,8 @@ The following platforms are currently supported:
 
 - Mac OS X [PowerPC] (10.4)
 
+- Mac OS X [x86] (10.4)
+
 To test drive run the following command:
 
 % java -jar sigar-bin/lib/sigar.jar