diff --git a/static/index.html b/static/index.html
index 1a37865..3691c00 100644
--- a/static/index.html
+++ b/static/index.html
@@ -10,6 +10,8 @@
 		<meta property="og:title" content="Vail: Internet Morse Code">
 		<meta property="og:description" content="Send and recieve with just a computer or smartphone">
 		<meta property="og:image" content="https://vail.woozle.org/key.jpg">
+		<!-- Image from https://www.flickr.com/photos/nationalmuseumofamericanhistory/14448709921
+			-- Used with permission (CC-BY-NC) -->
 
 		<!-- Bulma CSS -->
 		<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.3/css/bulma.min.css">