diff --git a/notes/mred/HISTORY b/notes/mred/HISTORY
index ee3c42c3..5f77cb11 100644
--- a/notes/mred/HISTORY
+++ b/notes/mred/HISTORY
@@ -14,6 +14,7 @@ Added and 'inactive style to every subwindow<%> class; a window
  space in its container
 Mac OS X: file dialogs use given starting directory, and dialog%s
  with a parent frame are shown as "sheets"
+Mac OS X: MrEd3m is now supported
 
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