diff --git a/docs/index.html b/docs/index.html
index 00abd51b8..415afadaa 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -7,14 +7,22 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
-    <meta name="description" content="Interface is a new typeface optimized for high legibility on computer screens">
-    <meta name="og:description" content="Interface is a new typeface optimized for high legibility on computer screens">
-    <meta name="twitter:description" content="Interface is a new typeface optimized for high legibility on computer screens">
-    <meta name="twitter:card" content="summary">
-    <meta name="twitter:site" content="@rsms">
-    <meta name="twitter:creator" content="@rsms">
+    <meta property="og:title" content="Interface font family">
+    <meta property="twitter:title" content="Interface font family">
+    <meta property="description" content="Interface is a new typeface optimized for high legibility on computer screens">
+    <meta property="og:description" content="Interface is a new typeface optimized for high legibility on computer screens">
+    <meta property="twitter:description" content="Interface is a new typeface optimized for high legibility on computer screens">
+    <meta property="twitter:card" content="summary">
+    <meta property="twitter:site" content="@rsms">
+    <meta property="twitter:creator" content="@rsms">
     <meta property="og:image" content="https://rsms.me/interface/res/poster.png">
-    <meta name="twitter:image" content="https://rsms.me/interface/res/poster.png">
+    <meta property="twitter:image" content="https://rsms.me/interface/res/poster.png">
+
+    <meta property="fb:app_id" content="38027689216">
+    <meta property="og:url" content="https://rsms.me/interface/">
+    <meta property="og:site_name" content="rsms.me">
+    <meta property="og:type" content="product">
+    <meta property="og:locale" content="en_US" />
 
     <link href="interface.css" rel="stylesheet">
     <style type="text/css">