Update index.html

index.html

@@ -1,7 +1,7 @@
 <h1>Understanding Deep Learning</h1>
 by Simon J.D. Prince
 <br>
-To be published by MIT Press Dec 5th 2023.
+To be published by MIT Press Dec 5th 2023.<br>
 
 <img src="https://raw.githubusercontent.com/udlbook/udlbook/main/UDLCoverSmall.jpg" alt="front cover">
 
@@ -76,15 +76,18 @@ To be published by MIT Press Dec 5th 2023.
 
 Instructions for editing figures / equations can be found <a href="https://drive.google.com/uc?export=download&id=1T_MXXVR4AfyMnlEFI-UVDh--FXI5deAp/">here</a>.</p>
 
+<h2>Resources for students</h2>
+
+Answers to selected questions: <a href="https://github.com/udlbook/udlbook/raw/main/UDL_Answer_Booklet_Students.pdf>PDF</a>
 
 <br>
-Citation:
+<h2>Citation:</h2>
 <pre><code>
  @book{prince2023understanding,
  author = "Simon J.D. Prince",
  title = "Understanding Deep Learning",
  publisher = "MIT Press",
  year = 2023,
- url = "https://udlbook.github.io/udlbook/"
+ url = "http://udlbook.com"
 }
 </code></pre>