Size of SD card Kobo Aura

I have two SD cards, a 16GB and a 32GB. The 32 comes from my Nook HD which I am giving to a freind for games. I am thinking of swapping the 16 in my Aura and putting in the 32. Will the Aura work okay with a 32?

I know the manual says it will but will it function just the same with the 32 as it did with the 16. I just wondered if it was a bit large.

Thanks