Add note about mac os

README.org

@@ -9,6 +9,8 @@ A simple roguelike where you play a necromancer. Created for/during the common l
 *** Install [[http://foo.wyrd.name/en:bearlibterminal][BearLibTerminal]] (most likely need to compile)
 *** (ql:quickload :crypts-and-corpses)
 *** (crypts-and-corpses:start)
+** Mac OS
+*** You probably need this pull request for BearLibTerminal to work https://bitbucket.org/cfyzium/bearlibterminal/pull-requests/1/add-support-for-mac-os-x/diff
 ** License
 Copyright (C) 2016 Lily Carpenter