fix: correct typo in linting section of README

- Fix "commandi" to "command"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: semarj

README.md

@@ -130,7 +130,7 @@ poetry run tox
 
 Linting
 -------
-You can run the `linting environment` in **Tox** using this commandi:
+You can run the `linting environment` in **Tox** using this command:
 
 ```bash
 poetry tox -e lint