message: micro modif changed a word to avoid repetition
diff: @@ -112,7 +112,7 @@ to the Lloyd algorithm to estimate a solution to the k-means
  problem). The local minimum returned depends on the initialization of
  the barycenter.
  The combinatorial structure of the algorithm limits its
  -scaling on large scale problems (thousands of diagrams and of points
  +performances on large scale problems (thousands of diagrams and of points
  per diagram).
  .. figure::
  