Tiện ích
![[Cảnh báo]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=0f17c866-6635205a)
Sự cho phép
Giới thiệu về Tiện ích này
Check for Updates in Help Menu does exactly what it says on the tin: places a "Check for Updates" entry into the Help menu, which is slightly easier to get to (and more sensibly located) than the button on the About dialog.
