diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/04.differential-operators/04.curl/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/04.differential-operators/04.curl/cheatsheet.fr.md
index f81789749..979d9b044 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/04.differential-operators/04.curl/cheatsheet.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/04.differential-operators/04.curl/cheatsheet.fr.md
@@ -5,7 +5,7 @@ routable: true
 visible: true
 lessons:
   - slug: gravitation-electrostat-magnetostat
-    order:1
+    order: 1
 ---
 ## L'opérateur rotationnel