diff --git a/img/nadpis.PNG b/img/nadpis_small.png
similarity index 100%
rename from img/nadpis.PNG
rename to img/nadpis_small.png
diff --git a/index.html b/index.html
index 7bb86b1..f465ab6 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,7 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <title>Víkend vymýšlení her</title>
         <meta property="og:title" content="Víkend vymýšlení her">
-        <meta property="og:image" content="https://vvh.instruktori.cz/img/nadpis.png">
+        <meta property="og:image" content="https://vvh.instruktori.cz/img/nadpis_small.png">
         <meta property="og:url" content="https://vvh.instruktori.cz">
         <link href="css/bootstrap.min.css" rel="stylesheet">
         <link href="css/style.css" rel="stylesheet" type="text/css">