diff --git a/index.php b/index.php
index 81ec15a..9a7e37b 100644
--- a/index.php
+++ b/index.php
@@ -8,7 +8,7 @@
 	<link rel="stylesheet" type="text/css" media="screen" href="res/index.css">
 	<script src="res/index.js"></script>
 
-	<meta property="og:description" content="FediBooks - An easy to use bot creator and manager for the fediverse." />
+	<meta property="og:description" content="FediBooks - An easy to use bot creator and manager for the fediverse. Available for Windows, macOS, and Linux." />
 	<meta property="og:locale" content="en_GB" />
 	<meta property="og:site_name" content="FediBooks" />
 	<meta property="og:url" content="https://fedibooks.com" />