diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 7b95571..324993b 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -33,6 +33,8 @@
 Before release 7.3:
 - Rename vim73 branch to default (hints: Xavier de Gaye, 2010 May 23)
 
+Test 73 fails on MS-Windows when compiled with DJGPP.
+
 Bug: E685 error for func_unref(). (ZyX, 2010 Aug 5)
 
 CTRL-] on help tag |/[\n]| doesn't jump to the right place. (Tony Mechelynck,