1 files changed, 4 insertions, 0 deletions
diff --git a/README b/README
index 1cfeaab..911d7a5 100644
--- a/README
+++ b/README
@@ -100,6 +100,10 @@ textures/analmango/poster_lagranger.jpg
 textures/analmango/portrait_*
 	Portraits of Richard Stallman and Linus Torvalds.
 
+textures/analmango/poster_enneract.jpg
+	Includes Tom Ruen's "9-cube enneract graph" (Public Domain).
+	https://en.wikipedia.org/wiki/9-cube#/media/File:9-cube.svg
+
 List of sampled YouTube videos (fair use)
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