diff --git a/todo.txt b/todo.txt
index 6ee55157..0123d9bd 100644
--- a/todo.txt
+++ b/todo.txt
@@ -4,6 +4,8 @@ High Priority:
 Document builtin correspondences between builtiin Python types and C++
 types
 
+FILE* conversions: http://aspn.activestate.com/ASPN/Mail/Message/1411366
+
 
 Medium Priority:
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