diff --git a/index.html b/index.html
index 6b406494..a9ac5d60 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   - theme-dark: Forces dark theme
 -->
 
-<html class="theme-auto" lang="en"> <!-- Update`class="theme-auto" with your preference -->
+<html class="theme-dark" lang="en"> <!-- Update`class="theme-auto" with your preference -->
 
   <head>
     <meta charset="utf-8">
