fix: Update CHANGELOG.md

Co-authored-by: Robin Le Caignec <72495599+Le-Caignec@users.noreply.github.com>

Author: gfournierPro

CHANGELOG.md

@@ -17,7 +17,7 @@
 
 ## [6.1.0](https://github.com/iExecBlockchainComputing/PoCo/compare/poco-v6.0.0...poco-v6.1.0) (2025-11-13)
 
-> **Main Feature:** Bulk Processing Upgrade - Optimized batch operations for improved efficiency and SMS bulk order validation.
+> **Main Feature:** Bulk Processing Upgrade – Enables efficient batching of iExec tasks with optimized performance and improved validation for bulk SMS orders.
 
 ### 🚀 Features