diff --git a/graph-lib/graph/__DEBUG_graph6.txt b/graph-lib/graph/__DEBUG_graph6.txt
index fd5aa42c..66f82ee7 100644
--- a/graph-lib/graph/__DEBUG_graph6.txt
+++ b/graph-lib/graph/__DEBUG_graph6.txt
@@ -9,4 +9,5 @@ Attempts:
 Not tried yet:
 * datum->syntax (or replace-context or …) in define-graph, so that it "gobbles" its parameters?
 * #:defined-please-bind-dammit (~>), so that a rename-transformer is introduced by define-graph
-* defining ~> directly inside define-graph
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+* defining ~> directly inside define-graph
+* Make the simplest possible example that has the same structure (type-expander + several levels of macros).
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