diff --git a/index.html b/index.html
index 3b166c1..8c7371e 100644
--- a/index.html
+++ b/index.html
@@ -120,7 +120,9 @@
         </div>
     </div>
     <footer class="footer mt-auto py-3 text-center text-muted">
-        Created by <a href="https://chandlerswift.com">Chandler Swift</a> using 2020 US Census data
+        Created by <a href="https://chandlerswift.com">Chandler Swift</a> using 2020 US Census data |
+        <a href="https://git.chandlerswift.com/chandlerswift/name-all-cities-by-population-quiz">Source</a>
+        (<a href="https://git.chandlerswift.com/chandlerswift/name-all-cities-by-population-quiz/src/branch/main/LICENSE">GPL3</a>)
     </footer>
 </body>
 </html>