Update codedex-update-december-2024.mdx

Author: sonnynomnom

blogs/codedex-update-december-2024.mdx

@@ -88,7 +88,7 @@ We ship every week. View our [Weekly Changelogs here](https://x.com/search?q=cod
 - 💸 Ship new Pricing page.
 - 🏡 Ship dedicated Town Square.
 - 🚀 Ship Builds hosting for Web projects.
-- 🎨 HTML and JavaScript course headers.
+- 🎨 New HTML, CSS, JS course headers.
 
 If you’ve read this far, thank you. See you in 2025. <3