Fautes et maladresses de Français + indentation

[MrWaloo]

Description

Corrections de fautes de Français
Reformulations de termes maladroits
Corrections d'indentation du code

Je n'ai corrigé l'indentation de code que des parties que j'ai remarquées

Suggested changelog entry

Corrections de fautes de Français, reformulations de termes maladroits et corrections d'indentation du code

Related issues/external references

Types of changes

• Bug fix (non-breaking change which fixes)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
  • This change is only breaking for integrators, not for external standards or end-users.
• Documentation improvement

PR checklist

• I have checked there is no other PR open for the same change.
• I have read the [La ligne directrice pour contribuer à ce projet / Contribution guidelines for this project).
• I grant the project the right to include and distribute the code under the GNU.
• I have added tests to cover my changes.
• I have verified that the code complies with the projects coding standards.
• [Required for new sniffs] I have added MD documentation for the sniff.

[MrWaloo]

Je me suis emmêlé les pinceaux dans les commit, my bad...
Je voulais faire un second PR pour le changelog, désolé

somes erros