message: Spelling fix for KL Divergence
  Kullback-Leibler divergence should be a hyphenated name.
diff: @@ -2193,7 +2193,7 @@ class Poisson(MeanMetricWrapper):
  @keras_export('keras.metrics.KLDivergence')
  class KLDivergence(MeanMetricWrapper):
  - """Computes Kullback Leibler divergence metric between `y_true` and `y_pred`.
  + """Computes Kullback-Leibler divergence metric between `y_true` and `y_pred`.
  `metric = y_true * log(y_true / y_pred)`
  