diff --git a/README.md b/README.md
index 96cfea9..ba104f2 100755
--- a/README.md
+++ b/README.md
@@ -44,6 +44,13 @@ DJANGO_SETTINGS_MODULE=instance.settings.dev pytest
 DJANGO_SETTINGS_MODULE=instance.settings.dev ./manage.py runserver
 ```
 
+Before requesting a merge, enable pre-commit :
+
+```
+pip install pre-commit
+pre-commit install
+```
+
 ## Installation
 Running Aircox on production involves:
 * Aircox modules and a running Django project;