diff --git a/infra/architecture.md b/infra/architecture.md
index 1e93a2f..6b135ba 100644
--- a/infra/architecture.md
+++ b/infra/architecture.md
@@ -1,6 +1,6 @@
 # Architecture
 
-Machine physique principale :
+### Machine physique principale
 * hébergeur : SoYouStart (OVH)
 * contrat : location serveur dédié
 * localisation : RBX1 (Roubaix, France)