Formatting problem

[LucasMatSP]

The docstring for TargetEncoder has a formatting problem with the backticks.

[LucasMatSP]

OrderedFactor is missing the closing backtick:

`OrderedFactor features of `Xnew` specified by hyper-parameters, and return the new
table.  Features that are neither `Multiclass` nor `OrderedFactor` are always left

`OrderedFactor` features of `Xnew` specified by hyper-parameters, and return the new
table. Features that are neither `Multiclass` nor `OrderedFactor` are always left