problem with cutting

i put a cutting of jack flash in last im using a 600w hps but the light is quite high up because it was producing to much heat, i looked this morning and the temp was 35 degrees, ive sorted the temp now the room is 25 degree but im worried it might have fucked the poor thing, it was only a very small cutting and wasnt rooted im giving it 200ml of water a day at the minute, the leaves curled up alittle bit but it still looks a healthy green colour can anyone help, Thanks guys
 
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