DOC changed  "List of weighting" to "Weighting"
@@ -530,7 +530,7 @@ def cohen_kappa_score(y1, y2, labels=None, weights=None, sample_weight=None):
``y1`` or ``y2`` are used.
weights : str, optional
- List of weighting type to calculate the score. None means no weighted;
+ Weighting type to calculate the score. None means no weighted;
"linear" means linear weighted; "quadratic" means quadratic weighted.
sample_weight : array-like of shape = [n_samples], optional
