old_contents: # Copyright 2017 The LUCI Authors. All rights reserved.
  # Use of this source code is governed under the Apache License, Version 2.0
  # that can be found in the LICENSE file.
  
  DEPS = [
    'platform',
    'properties',
  ]
  
  from recipe_engine.recipe_api import Property
  from recipe_engine.config import ConfigGroup, Single
  
  PROPERTIES = {
    '$recipe_engine/path': Property(
      help='Properties specifically for the the recipe_engine path module.',
      param_name='path_properties',
      kind=ConfigGroup(
        # The absolute path to the temporary directory that the recipe should use.
        temp_dir=Single(str),
        # The absolute path to the cache directory that the recipe should use.
        cache_dir=Single(str),
        # The absolute path to the cleanup directory that the recipe should use.
        cleanup_dir=Single(str),
      ), default={},
    )
  }
  
new_contents: # Copyright 2017 The LUCI Authors. All rights reserved.
  # Use of this source code is governed under the Apache License, Version 2.0
  # that can be found in the LICENSE file.
  
  DEPS = [
    'platform',
    'properties',
  ]
  
  from recipe_engine.recipe_api import Property
  from recipe_engine.config import ConfigGroup, Single
  
  PROPERTIES = {
    '$recipe_engine/path': Property(
      help='Properties specifically for the recipe_engine path module.',
      param_name='path_properties',
      kind=ConfigGroup(
        # The absolute path to the temporary directory that the recipe should use.
        temp_dir=Single(str),
        # The absolute path to the cache directory that the recipe should use.
        cache_dir=Single(str),
        # The absolute path to the cleanup directory that the recipe should use.
        cleanup_dir=Single(str),
      ), default={},
    )
  }
  
subject: Fix doc typo.