diff --git a/docs/procedure-reseau.md b/docs/procedure-reseau.md
index 586aea68dc26fc4552a349b57e2adda71c4ed9da..7e55ad02f0493fbb8d2de752fbe06877cef1fcf7 100644
--- a/docs/procedure-reseau.md
+++ b/docs/procedure-reseau.md
@@ -189,7 +189,7 @@ Test :
     Sur routeur 1 :
 
     R1#conf t
-    R1(config)#ip nat inside source static 192.168.10.254 10.0.0.1 
+    R1(config)#ip nat inside source static 192.168.40.254 10.0.0.1 
 
 ### A faire sur chaque sous-interface Vlan: