diff --git a/index.html b/index.html
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@@ -5,12 +5,12 @@ To be published by MIT Press.
Download draft PDF
-Draft PDF Chapters 1-19
2023-02-02. CC-BY-NC-ND license
+Draft PDF Chapters 1-20
2023-02-06. CC-BY-NC-ND license
- - Chapter 20 and appendices coming soon
+
- Appendices and notebooks coming soon
- Report errata via github or contact me directly at udlbookmail@gmail.com
- Follow me on Twitter or LinkedIn for updates.