diff --git a/index.html b/index.html
index c74c1a4..b5205d4 100644
--- a/index.html
+++ b/index.html
@@ -7,6 +7,7 @@
   <meta name="description" content="HTML & CSS Course Examples.">
   <meta name="author" content="Sebastian Wendel"/>
   <meta name="created" content="2024-02-09T14:14:22.450262740"/>
+  <!-- TODO: Checkout the full list of Open Graph Data tags -->
   <meta property="og:title" content="What is Magnetic-core memory?" />
   <meta property="og:description" content="HTML & CSS Course Examples." />
   <meta property="og:image" content="/image.png" />