diff --git a/index.html b/index.html
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+++ b/index.html
@@ -5,7 +5,7 @@ To be published by MIT Press.
Download draft PDF
-Draft PDF Chapters 1-16
2022-10-07. CC-BY-NC-ND license
+Draft PDF Chapters 1-16
2022-12-14. CC-BY-NC-ND license
- Chapters 17-20 (coming soon)