diff --git a/README.md b/README.md
index 7c7121b..d32571d 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,9 @@ The ansible files for the pains-perdus infra.
 `ansible-playbook playbook.yml`
 
 Add `--check` to do a dry run
+
+## Edit the vault
+
+`ansible-vault edit group_vars/all/vault`
+
+with the edditor defined in the env varible `$EDITOR` and the password of the vault in the file `.vault_password` (Carefull not to commit it!!!)