diff --git a/index.html b/index.html
index 37e09074..d65b7672 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-auto" lang="de"> <!-- Update`class="theme-auto" with your preference -->
 
   <head>
     <meta charset="utf-8">
