fix typos

[ghost]

Data/Vinyl/ARec/Internal.hs Data/Vinyl/ARec/Internal/SmallArray.hs Data/Vinyl/CoRec.hs Data/Vinyl/Core.hs Data/Vinyl/Derived.hs Data/Vinyl/FromTuple.hs Data/Vinyl/SRec.hs Data/Vinyl/Syntax.hs Data/Vinyl/TypeLevel.hs tests/Aeson.hs

maybe retaining E.g. at the beginning of a new sentence would be preferred

- -- tuple. E.g. @TupleToRecArgs f (f a, f b) ~ (f, [a,b])@.
+ -- tuple, e.g., @TupleToRecArgs f (f a, f b) ~ (f, [a,b])@.