diff --git a/index.html b/index.html
index fe55beb..7e55bb7 100644
--- a/index.html
+++ b/index.html
@@ -13,10 +13,10 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
-<html>
+<html lang="de">
 <head>
     <title>Bärneruhr - Die Zeit im Wort</title>
-    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
+    <meta charset="utf-8"/>
     <meta name="apple-mobile-web-app-capable" content="yes"/>
     <meta name="apple-mobile-web-app-status-bar-style" content="black"/>
     <meta name="apple-mobile-web-app-title" content="Bärneruhr"/>
diff --git a/info/index.html b/info/index.html
index ebc6508..65e1e05 100644
--- a/info/index.html
+++ b/info/index.html
@@ -13,10 +13,10 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
-<html>
+<html lang="de">
 <head>
     <title>Die Zeit im Wort - Informationen</title>
-    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
+    <meta charset="utf-8"/>
     <meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1"/>
     <link rel="stylesheet" type="text/css" href="../css/uhr.css"/>
     <link rel="stylesheet" type="text/css" href="../css/uhr-black.css" data-class="black"/>
