Fix a type in the problem statement of the Haskell programming exercise template (#2897)
Fix a type in the problem statement of the Haskell programming exercise template (#2897)


ls1intum/ArTEMiS,ls1intum/ArTEMiS,ls1intum/ArTEMiS,ls1intum/ArTEMiS,ls1intum/ArTEMiS,ls1intum/ArTEMiS