First duplicate the layer
Then change the name to 'sharpening'
then change the opacity to 66% then prey 'alt' and on the top white anchor move the first one to 235 and the second to 250. On the bottom press 'alt' and split the black anchor turn the first one to 20 and the second to 10.
Change the amount to 320 the radius to 0.6 and threshold to 4
chance the opacity to 76% and the mode to lum
Change to between 1-2 pixels and press ok then your image will be sharpened.

































