Update codedex-update-december-2024.mdx

Author: sonnynomnom

blogs/codedex-update-december-2024.mdx

@@ -89,7 +89,7 @@ We ship every week. View our [Weekly Changelogs here](https://x.com/search?q=cod
 #### What’s happening in January?
 
 - 🏋️ Kick off January Exercise Challenge.
-- 🧠 Launch our top-secret UGC Creator Program. Apply here by 1/31! 
+- 🧠 Launch our top-secret [UGC Creator Program](https://www.instagram.com/p/DE8GqROvtCF). Apply by 1/31! 
 - 📝 Publish two course chapters:
   - Java Chapter 5: Arrays
   - C++ Chapter 4: Loops