update changelog

Author: Stefal

CHANGELOG.md

@@ -5,7 +5,7 @@
  - Added Rtkbase gnss reverse proxy service in the diagnostic view. #421
 ### Fixed
  - Remove firstboot service on Raspberry Pi image >= 2.5 which was causing services to stay stopped after a reboot. #436
- - Autorefresh timeout is now 90s. #426
+ - Reboot autorefresh timeout is now 90s. #426
 
 ## [2.6.1] - 2024-08-26
 ### Changed