diff --git a/index.html b/index.html
index 40102ab..ba1f786 100644
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@@ -15,8 +15,8 @@
         <ul>
             <li>
                 <p style="font-size: larger; margin-bottom: 0">Download draft PDF Chapters 1-21 <a
-                        href="https://github.com/udlbook/udlbook/releases/download/v1.14/UnderstandingDeepLearning_13_10_23_C.pdf">here</a>
-                </p>2023-10-13. CC-BY-NC-ND license<br>
+                        href="https://github.com/udlbook/udlbook/releases/download/v1.15/UnderstandingDeepLearning_23_10_23_C.pdf>here</a>
+                </p>2023-23-23. CC-BY-NC-ND license<br>
                 <img src="https://img.shields.io/github/downloads/udlbook/udlbook/total" alt="download stats shield">
             </li>
             <li> Report errata via <a href="https://github.com/udlbook/udlbook/issues">github</a>
@@ -380,4 +380,4 @@
 }
     </code></pre>
 </div>
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+</body>