Translation of the verse 1 from Surah Nuh : Number of verses 28 - - page 570 - Part 29.
Verily, We sent Nuh (Noah) to his people (Saying): "Warn your people before there comes to them a painful torment."
Indeed, We sent Noah to his people, [saying], "Warn your people before there comes to them a painful punishment."
(71:1) We sent Noah to his people (and directed him): 'Warn your people before a grievous chastisement *1 comes upon them.'
*1) "Warm your people ... ": Warn them that the errors and moral evils that they were involved in, would only earn them Allah's punishment, if they did not desist from them, and tell them what way they should adopt in order to ward off that punishment.