chore: update changes/v5.0.10-en.md

Co-authored-by: Zaiming (Stone) Shi <zmstone@gmail.com>

changes/v5.0.10-en.md

@@ -2,7 +2,7 @@
 
 ## Enhancements
 
-- Improve /nodes API speed [#9221](https://github.com/emqx/emqx/pull/9221).
+- Improve `/nodes` API responsiveness [#9221](https://github.com/emqx/emqx/pull/9221).
 
 - Allow clear retained/delayed data when client is banned [#9139](https://github.com/emqx/emqx/pull/9139).