fix small mistake in docs config
fix small mistake in docs config

ChuyuHsu/ScalaFunctional,EntilZha/PyFunctional,lucidfrontier45/ScalaFunctional,EntilZha/ScalaFunctional,ChuyuHsu/ScalaFunctional,lucidfrontier45/ScalaFunctional,EntilZha/ScalaFunctional,EntilZha/PyFunctional