message: Fix documentation for `tf.case`
diff: @@ -3039,7 +3039,7 @@ def case(pred_fn_pairs, default=None, exclusive=False, strict=False,
  If `exclusive==True`, all predicates are evaluated, and an exception is
  thrown if more than one of the predicates evaluates to `True`.
  - If `exclusive==False`, execution stops are the first predicate which
  + If `exclusive==False`, execution stops at the first predicate which
  evaluates to True, and the tensors generated by the corresponding function
  are returned immediately. If none of the predicates evaluate to True, this
  operation returns the tensors generated by `default`.
  