DOC fix a typo in _kmeans.py
@@ -729,7 +729,7 @@ class KMeans(TransformerMixin, ClusterMixin, BaseEstimator):
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The k-means problem is solved using either Lloyd's or Elkan's algorithm.
- The average complexity is given by O(k n T), were n is the number of
+ The average complexity is given by O(k n T), where n is the number of
samples and T is the number of iteration.
The worst case complexity is given by O(n^(k+2/p)) with
