From 47fd7314bccc2c1f2cded366ccb9149b23943af6 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evanp@socialwebfoundation.org>
Date: Sat, 16 Nov 2024 12:07:04 -0500
Subject: [PATCH] fix: add note about non-standard `property` attribute

---
 index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 045d655..2ef4054 100644
--- a/index.html
+++ b/index.html
@@ -925,7 +925,7 @@ <h5>Example</h5>
             &lt;/html&gt;
           </pre>
           <p>
-            In this example, the <code>article:author</code> property is the author of the document.
+            In this example, the <code>article:author</code> property is the author of the document. (Note that OpenGraph Protocol uses the non-standard <code>property</code> attribute for metadata.)
           </p>
           <p>
             Given an HTML page at <code>https://html.example/files/video-40.html</code> that represents a <code>Video</code> object, the consumer can use OpenGraph metadata to identify the Webfinger ID of the creator of the video: