diff --git a/README b/README
index bba2439c3..1c3f57467 100644
--- a/README
+++ b/README
@@ -7,6 +7,13 @@ documentation at http://redis.io
 Building Redis
 --------------
 
+Redis can be compiled and used on Linux, OSX, OpenBSD, NetBSD, FreeBSD.
+We support big endian and little endian architectures.
+
+It may compile on Solaris derived systems (for instance SmartOS) but our
+support for this platform is "best effort" and Redis is not guaranteed to
+work as well as in Linux, OSX, and *BSD there.
+
 It is as simple as:
 
     % make