diff --git a/src/documentation/basics/atelier.ts b/src/documentation/basics/atelier.ts
index 98e4dca..1b3e45c 100644
--- a/src/documentation/basics/atelier.ts
+++ b/src/documentation/basics/atelier.ts
@@ -161,7 +161,7 @@ beat(2)::sound('triangle')
   .note([50,55,57,62,66, 69, 74].mouseX())
   .fmi(usine(1/4)).fmh([1,2,0.5].beat())
   .ad(1/16, 1.5).delay(0.5).delayt(0.75)
-  .room(0.5).size(8).lpf(usine(1/3)*4000)`, true)}
+  .room(0.5).size(8).lpf(usine(1/3)*4000).out()`, true)}
 
 ## Compléments