diff --git a/index.html b/index.html
index c9d5767..123155b 100644
--- a/index.html
+++ b/index.html
@@ -176,7 +176,7 @@ src="https://translate.google.com/translate_a/element.js?cb=googleTranslateEleme
 
 <hr>
 <section class="center">
-<p dir="ltr" lang="en" class="notranslate"><a href="https://creativecommons.org/licenses/by-sa/4.0/">cc by-sa</a></p>
+<p dir="ltr" lang="en" class="notranslate"><a href="https://creativecommons.org/publicdomain/zero/1.0/">cc0</a></p>
 </section>
 <hr>
 </body>