Update codedex-update-q3-2025.mdx

Author: sonnynomnom

blogs/2025/codedex-update-q3-2025.mdx

@@ -20,7 +20,7 @@ Here's our Q3 (July - September) recap.
 
 ## 🔎 Global Search
 
-![Monthly Challenge GIf](https://i.imgur.com/OX6MEDi.gif)
+![Global Search GIF](https://i.imgur.com/WxRVvfV.gif)
 
 Immediately after the v1.0 launch, we rolled out global search. Over the past few months, we've been getting an increasing number of requests on how to find friends on Codédex. So we decided to add it to global header so it's easily accesible on every page outside of the learning enviornment.