Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: enryH

developing.md

@@ -32,7 +32,7 @@ python_package
 
 ## Core packaging files
 
-We will first look at [`pyproject.toml`](pyproject.toml) and it's relation to the 
+We will first look at [`pyproject.toml`](pyproject.toml) and its relation to the 
 [`src`](src) directory. The 
 [`project.toml`](pyproject.toml) file is the main configuration file for the Python package
 and is used to specify the package metadata, dependencies, build tools and configurations.

pyproject.toml

@@ -56,7 +56,7 @@ line-length = 88
 # 1. Enable flake8-bugbear (`B`) rules
 # 2. Enable pycodestyle (`E`) errors and (`W`) warnings
 # 3. Pyflakes (`F`) errors
-extend-select = ["E", "W", 'F', 'B']
+extend-select = ["E", "W", "F", "B"]
 
 [build-system]
 build-backend = "setuptools.build_meta"