update link

Author: knielbo

lessons/lesson_01.html

@@ -46,7 +46,7 @@ <h2>Instructor</h2>
 
     <footer>
         <p>&copy; 2025 Aarhus University | Computational Humanities (CMP 25)</p>
-        <p><a href="index.html">Back to Course Home</a></p>
+        <p><a href="/quantitative-methods/index.html">Back to Course Home</a></p>
     </footer>
 
 </body>