Apply suggestions from code review

Co-authored-by: Daniël van Noord <[email protected]>

Author: Pierre-Sassoulas

.github/CONTRIBUTING.md

@@ -8,8 +8,8 @@ Use `pre-commit install` to install the pre-commit hook for the repository.
 
 - Implement a Formatter by inheriting from ``pydocstringformatter.formatting.Formatter``
 - Add your new formatter to ``pydocstringformatter.formatting.FORMATTERS``
-- Create a clear docstring because this will be user-facing: it's what will be seen in the help.
-- Choose a proper name because this will be user-facing: the name will be used for option of the CLI.
+- Write a clear docstring because this will be user-facing: it's what will be seen in the help message for the formatters command line option.
+- Choose a proper name because this will be user-facing: the name will be used to turn the checker on and off via the command line or config files.
 
 ### Testing
 

pydocstringformatter/utils/argument_parsing.py

@@ -20,13 +20,16 @@ def _parse_command_line_arguments(
 def _register_arguments(version: str) -> argparse.ArgumentParser:
     """Create an argument parser and add all supported arguments"""
     parser = argparse.ArgumentParser(prog="pydocstringformatter")
+
     parser.add_argument("files", nargs="*", type=str)
+
     parser.add_argument(
         "-w",
         "--write",
         action="store_true",
         help="Write the changes to file instead of printing the files to stdout",
     )
+
     parser.add_argument(
         "-v",
         "--version",