Fixes small bug in struct proc_t documentation.
From http://man7.org/linux/man-pages/man5/proc.5.html:
(22) starttime ... The time the process started after system boot
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
From http://man7.org/linux/man-pages/man5/proc.5.html:
(22) starttime ... The time the process started after system boot