Help please

[Jamfen]

Hey .. Hi guys can anyone help me with my leaf problem .. growing in soil , 600w hps light , water inc nute ph at approx 6.5 .. i recon my autoflower northern light has approx 2 weeks before i start flushing , it seems to be coming on fine , nice buds getting fatter but i found these leaves and im stumped ! .. any help would be greatly appreciated .

 

[DaddyKush]

Are there only a few leaves like this? Is the plant otherwise healthy? Pics of the entire plant are needed to diagnose. If these are the only leaves affected, it may not be anything that requires corrective action.