emphasized in README that Mac 64-bit users have to edit the "config" file themselves when building with LuaJIT 2.0 (for now).

README.markdown

@@ -1175,6 +1175,8 @@ lua-nginx-module [file list](http://github.com/simpl/ngx_devel_kit/downloads).
 
 1. Download the latest version of the release tarball of this module from
 lua-nginx-module [file list](http://github.com/chaoslawful/lua-nginx-module/downloads).
+(Mac 64-bit users need to edit ngx_lua's config file themselves, see the
+Known Issues section below.)
 
 1. Grab the nginx source code from [nginx.net](http://nginx.net/), for example,
 the version 0.8.54 (see nginx compatibility), and then build the source with
@@ -1313,7 +1315,8 @@ use this form:
 
         package.loaded.xxx = nil
         require('xxx')
-* 64-bit Darwin OS needs special linking options to use LuaJIT. Change the line at the bottom of `config` file from
+
+* 64-bit Darwin OS (Mac OS X) needs special linking options to use LuaJIT. Change the line at the bottom of `config` file from
 
 		CORE_LIBS="-Wl,-E $CORE_LIBS"