diff --git a/2024-09-13-hu/index.html b/2024-09-13-hu/index.html
index e2daab2..7816f5b 100644
--- a/2024-09-13-hu/index.html
+++ b/2024-09-13-hu/index.html
@@ -1186,7 +1186,8 @@
                 <script>
                         // More info https://github.com/hakimel/reveal.js#configuration
                         Reveal.initialize({
-                                history: true,
+                            history: true,
+                            slideNumber: true,
 
                                 // More info https://github.com/hakimel/reveal.js#dependencies
                                 dependencies: [