message: Fix typo in snapshot doc
diff: @@ -312,7 +312,7 @@ def snapshot(path, compression="AUTO", reader_func=None, shard_func=None):
  reader_func=user_reader_func))
  ```
  - By default, snapshot parallelize reads by the number of cores available on
  + By default, snapshot parallelizes reads by the number of cores available on
  the system, but will not attempt to shuffle the data.
  Args:
  