Apply suggestions from code review

Co-authored-by: Lukas Devos <[email protected]>

Author: Jutho

src/spaces/homspace.jl

@@ -3,7 +3,7 @@
     HomSpace(codomain::CompositeSpace{S}, domain::CompositeSpace{S}) where {S<:ElementarySpace}
 
 Represents the linear space of morphisms with codomain of type `P1` and domain of type `P2`.
-Note that `HomSpace`` is not a subtype of [`VectorSpace`](@ref), i.e. we restrict the latter
+Note that `HomSpace` is not a subtype of [`VectorSpace`](@ref), i.e. we restrict the latter
 to denote categories and their objects, and keep `HomSpace` distinct.
 """
 struct HomSpace{S <: ElementarySpace, P1 <: CompositeSpace{S}, P2 <: CompositeSpace{S}}

src/spaces/productspace.jl

@@ -2,7 +2,7 @@
     struct ProductSpace{S<:ElementarySpace, N} <: CompositeSpace{S}
     ProductSpace(spaces::NTuple{N, S}) where {S<:ElementarySpace, N}
 
-A `ProductSpace` is a tensor product space of `N` vector spaces of type `S<:ElementarySpace`.
+A `ProductSpace` is a tensor product space of `N` vector spaces of type `S <: ElementarySpace`.
 Only tensor products between [`ElementarySpace`](@ref) objects of the same type are allowed.
 """
 struct ProductSpace{S <: ElementarySpace, N} <: CompositeSpace{S}