<!-- If your issue is a usage question, submit it here instead: - StackOverflow with the scikit-learn tag: https://stackoverflow.com/questions/tagged/scikit-learn - Mailing List: https://mail.python.org/mailman/listinfo/scikit-learn For more information, see User Questions: http://scikit-learn.org/stable/support.html#user-questions --> <!-- Instructions For Filing a Bug: https://github.com/scikit-learn/scikit-learn/blob/master/CONTRIBUTING.md#filing-bugs --> #### Description <!-- Example: Joblib Error thrown when calling fit on LatentDirichletAllocation with evaluate_every > 0--> Docs on Density Estimation contain typo: $$K(x; h) \propto exp(-\frac{x^2}{2h^2})$$ should be: $$K(x; h) \propto exp(-\frac{x^2}{2})$$ since $h^2$ has been already included in $$\rho_K(y)$$