Fix typo

pydoclint/main.py

@@ -29,12 +29,12 @@
  help='Whether to check type hints in docstrings',
 )
 @click.option(
- '-th',
+ '-ao',
  '--check-arg-order',
  type=bool,
  show_default=True,
  default=True,
- help='Whether to check docstring argument order agasint function signature',
+ help='Whether to check docstring argument order against function signature',
 )
 @click.argument(
  'paths',