diff --git a/README b/README
index b1ca54f925f..5cd2151127e 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@ Wine is a program which allows running Microsoft Windows programs
 (including DOS, Windows 3.x, Win32, and Win64 executables) on Unix.
 It consists of a program loader which loads and executes a Microsoft
 Windows binary, and a library (called Winelib) that implements Windows
-API calls using their Unix or X11 equivalents.  The library may also
+API calls using their Unix, X11 or Mac equivalents.  The library may also
 be used for porting Windows code into native Unix executables.
 
 Wine is free software, released under the GNU LGPL; see the file