diff --git a/index.html b/index.html
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+++ b/index.html
@@ -78,7 +78,7 @@ Instructions for editing figures / equations can be found <a href="https://drive
 
 <h2>Resources for students</h2>
 
-<p>Answers to selected questions: <a href="https://github.com/udlbook/udlbook/raw/main/UDL_Answer_Booklet_Students.pdf>PDF</a></p>
+<p>Answers to selected questions: <a href="https://github.com/udlbook/udlbook/raw/main/UDL_Answer_Booklet_Students.pdf">PDF</a></p>
 <p>Python notebooks:</p>
 
 <ul>