Running a game without regular backups is irresponsible. A bug, a
system crash or a deity error can destroy the game, leaving you no way
to recover except restoring from backup. If you foolishly neglected
-to make regular, working backups, players, who likely invested
+to make regular, working backups, then players, who likely invested
substantial time in your game, will have every reason to be very angry
with you.
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The server lets you run an arbitrary command right before the update,
-with players locked out. You can use this feature to make a back up
+with players locked out. You can use this feature to make a backup
on each update automatically.
The command runs in the data directory. stdin, stdout, stderr are