Update README.md

Author: ablaom

README.md

@@ -19,7 +19,7 @@ prediction_type(::Type) = :unknown # also :probablistic, :deterministic, :interv
 ```
 
 Here `Unknown` is a type defined in the light-weight package
-[ScientificTypes.jl](https://github.com/JuliaAI/ScientificTypes.jl),
+[ScientificTypesBase.jl](https://github.com/JuliaAI/ScientificTypesBase.jl),
 the only dependency of StatsTraits.jl.
 
 Refer to [source code](src/StatisticalTraits.jl) for a complete list.