diff --git a/infra/postgresql.md b/infra/postgresql.md
index 483f7ae..db12681 100644
--- a/infra/postgresql.md
+++ b/infra/postgresql.md
@@ -3,4 +3,9 @@
 Installer Postgresql :
 ```
 apt-get install postgresql postgresql-contrib
-```
\ No newline at end of file
+```
+
+Pour permettre des actions via `psql`, mettre un mot de passe au compte `postgresql` :
+```
+password postgresql
+```