Fixes

Author: christiangnrd

src/KernelAbstractions.jl

@@ -578,7 +578,7 @@ end
 Returns whether unified memory arrays are supported by the backend.
 
 !!! note
-    Backend implementations **should** implement this function
+    Backend implementations **must** implement this function
     only if they **do** support unified memory.
 """
 supports_unified(::Backend) = false

src/cpu.jl

@@ -1,6 +1,6 @@
 synchronize(::CPU) = nothing
 
-allocate(::CPU, ::Type{T}, dims::Tupl; unified::Bool=false) where {T} = Array{T}(undef, dims)
+allocate(::CPU, ::Type{T}, dims::Tuple; unified::Bool=false) where {T} = Array{T}(undef, dims)
 
 function zeros(backend::CPU, ::Type{T}, dims::Tuple; kwargs...) where {T}
     arr = allocate(backend, T, dims; kwargs...)