Added a help text for "Allow AJAX Desktop Notifications for Alerts
Added a help text for "Allow AJAX Desktop Notifications for Alerts

Signed-off-by: Bruno Alves <f32832774c800516b031da5647d6075c5b15b42b@gmail.com>

StealthWombat/SMF2.1-more-forkery,margarett/SMF2.1,StealthWombat/SMF2.1-more-forkery,georaldc/SMF2.1,georaldc/SMF2.1,MustafaCan/SMF2.1,mkress/SMF2.1,MustafaCan/SMF2.1,margarett/SMF2.1,mkress/SMF2.1,mkress/SMF2.1