Chocolate Mint Stout Feedback

Before I brew this recipe and possible have a huge bust could you guys give me some feedback on this Choco. Mint Stout recipe?

It will be a 2 gal batch with a boil size of 2.25.

HOME BREW RECIPE:
Title: Chocolate Mint Stout

Brew Method: All Grain
Style Name: American Stout
Boil Time: 60 min
Batch Size: 2 gallons
Boil Size: 2.25 gallons
Efficiency: 70%

STATS:
Original Gravity: 1.087
Final Gravity: 1.025
ABV (standard): 8.08%
IBU (tinseth): 46.58
SRM (morey): 31.77

FERMENTABLES:
6 lb - Pale 2-Row (88.2%)
0.2 lb - Roasted Barley (2.9%)
0.4 lb - Caramel / Crystal 80L (5.9%)
0.2 lb - Chocolate (2.9%)

HOPS:
0.4 oz - Target (AA 11.5) for 60 min, Type: Pellet, Use: Boil
0.4 oz - Cascade (AA 6) for 15 min, Type: Pellet, Use: Boil
0.2 oz - Target (AA 11.5) for 5 min, Type: Pellet, Use: Boil

MASH STEPS:
1) Sparge, Temp: 160 F, Time: 60 min, Amount: 9 qt

OTHER INGREDIENTS:
0.64 oz - Baker's Cocoa, Time: 20 min, Type: Flavor, Use: Boil
0.32 oz - Mint, Time: 5 min, Type: Flavor, Use: Boil
0.16 oz - Irish Moss, Time: 15 min, Type: Fining, Use: Boil

YEAST:
White Labs - London Ale Yeast WLP013
Attenuation (avg): 71%
Flocculation: Medium
Optimum Temperature: 66 F - 71 F

PRIMING:
Method: Corn Sugar
Amount: 42.9 g