Looks ok overall. I'm assuming that's an ounce for each of the hops you mention. If so, this will be really hoppy for a brown ale.
Also, you mention crystal, which one, ie, what lovibond level do you mean?
JRBrewer on Untappd
Planned - GP/Mosaic SMaSH
Fermenting - Ned's Red (Flanders Red Ale), Saison Graf, Tangerine Mead
Bottled - Belgian Tripel, Belgo Graf, Saison (split batch with brett), Black 13 (Graf Porter), Old Style Amer. Cream Ale, Amber Graf, Wheat Graf, Bannockburn Wee Heavy, Berry Mead