diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 5e725c9..3f5b657 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -1,22 +1,22 @@
 <!DOCTYPE html>
 <html lang="{{ site.lang | default: 'en-US' }}" prefix="og: http://ogp.me/ns#">
   <head>
-    <meta property="og:title" content="Edu Units" />
+    <meta name="title" property="og:title" content="Edu Units" />
     <meta name="description" property="og:description" content="A collection of self-contained educational units each hosted as a separate open-source GitHub project." />
-    <meta property="og:image" content="https://edunits.ervinvarga.com/assets/images/edu-units-logo.png" />
+    <meta name="image" property="og:image" content="https://edunits.ervinvarga.com/assets/images/edu-units-logo.png" />
     <meta property="og:url" content="https://edunits.ervinvarga.com" />
     <meta property="og:type" content="website" />
     <meta name="author" content="Ervin Varga" />
-
-    <meta charset='utf-8'>
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
-    <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}" media="screen" type="text/css">
-    <link rel="stylesheet" href="{{ '/assets/css/print.css' | relative_url }}" media="print" type="text/css">
-    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
-    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
-    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
-    <link rel="manifest" href="/site.webmanifest">
+    <meta charset='utf-8' />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
+    
+    <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}" media="screen" type="text/css" />
+    <link rel="stylesheet" href="{{ '/assets/css/print.css' | relative_url }}" media="print" type="text/css" />
+    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
+    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
+    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
+    <link rel="manifest" href="/site.webmanifest" />
     
     <script>
       document.addEventListener('DOMContentLoaded', function() {
