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                 <p style="font-size: larger; margin-bottom: 0">Download draft PDF Chapters 1-21 <a
-                        href="https://github.com/udlbook/udlbook/releases/download/v1.19/UnderstandingDeepLearning_16_12_23_C.pdf">here</a>
+                        href="https://github.com/udlbook/udlbook/releases/download/v.1.20/UnderstandingDeepLearning_16_1_24_C.pdf">here</a>
                 </p>2024-01-16. CC-BY-NC-ND license<br>
                 <img src="https://img.shields.io/github/downloads/udlbook/udlbook/total" alt="download stats shield">
             </li>