diff --git a/reports/sk.html b/reports/sk.html
index 10b231d..3c8d691 100644
--- a/reports/sk.html
+++ b/reports/sk.html
@@ -1,4 +1,4 @@
-<html lang="en" dir="ltr">
+<html lang="sk" dir="ltr">
   <head>
      <title>Monitorix: Správa o využití Internetu</title>
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
