Oatmeal Stout critique

[Finnagann]

Any feedback from the veteran stout makers out there? The wife also really wants to add some cinnamon so was thinking 1/2 tbspn @ 10 min?

Recipe: Nugget Oatmeal Stout
Style: 13C-Stout-Oatmeal Stout

Recipe Overview

Wort Volume Before Boil: 28.00 l
Wort Volume After Boil: 24.00 l
Volume Transferred: 23.00 l
Water Added: 0.00 l
Volume At Pitching: 23.00 l
Final Batch Volume: 22.00 l
Expected Pre-Boil Gravity: 1.044 SG
Expected OG: 1.051 SG
Expected FG: 1.013 SG
Expected ABV: 5.0 %
Expected ABW: 3.9 %
Expected IBU (using Tinseth): 31.2
Expected Color: 25.2 SRM
Apparent Attenuation: 72.9 %
Mash Efficiency: 70.0 %
Boil Duration: 60.0 mins
Fermentation Temperature: 18 degC

Fermentables
UK Pale Ale Malt 4500 g (77.6 %) In Mash/Steeped
US Flaked Oats 500 g (8.6 %) In Mash/Steeped
UK Chocolate Malt 200 g (3.4 %) In Mash/Steeped
UK Medium Crystal 200 g (3.4 %) In Mash/Steeped
US Roasted Barley 200 g (3.4 %) In Mash/Steeped
German Smoked Malt 200 g (3.4 %) In Mash/Steeped

Hops
US Nugget (13.0 % alpha) 7 g Bagged Whole Hops used First Wort Hopped
US Magnum (10.0 % alpha) 7 g Loose Pellet Hops used First Wort Hopped
US Nugget (13.0 % alpha) 10 g Bagged Whole Hops used 30 Min From End
US Nugget (13.0 % alpha) 14 g Bagged Whole Hops used 10 Min From End

Other Ingredients

Yeast: Wyeast 1318-London Ale III

Mash Schedule
Mash Type: Full Mash
Schedule Name:Single Step Infusion (68C/154F)
Step: Rest at 68 degC for 60 mins

Recipe Notes