Fix arg name in sequence_reduce.
@@ -417,7 +417,7 @@ def sequence_reduce(value, zero, op):
One can also invoke `sequence_reduce` on a federated sequence, in which case
the reductions are performed pointwise; under the hood, we construct an
expression of the form
- `federated_map(a -> sequence_reduce(x, zero, op), value)`. See also the
+ `federated_map(x -> sequence_reduce(x, zero, op), value)`. See also the
discussion on `sequence_map`.
Args:
