Update CHANGELOG.md (#3294)

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Author: community-scripts-pr-app[bot]

CHANGELOG.md

@@ -14,6 +14,21 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 All LXC instances created using this repository come pre-installed with Midnight Commander, which is a command-line tool (`mc`) that offers a user-friendly file and directory management interface for the terminal environment.
 
 
+## 2025-03-21
+
+### 🧰 Maintenance
+
+  - #### 💾 Core
+
+    - Clarify MTU in advanced Settings. [@michelroegl-brunner](https://github.com/michelroegl-brunner) ([#3296](https://github.com/community-scripts/ProxmoxVE/pull/3296))
+
+### 🌐 Website
+
+  - #### 📝 Script Information
+
+    - Threadfin: add port for website [@MickLesk](https://github.com/MickLesk) ([#3295](https://github.com/community-scripts/ProxmoxVE/pull/3295))
+    - Proxmox, rather than Promox [@gringocl](https://github.com/gringocl) ([#3293](https://github.com/community-scripts/ProxmoxVE/pull/3293))
+
 ## 2025-03-20
 
 ### 🚀 Updated Scripts