diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.fr.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.fr.md
index f38ccdac4..304c06a47 100644
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.fr.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.fr.md
@@ -8,6 +8,8 @@ lessons:
       order: 2
     - slug: cartesian-cylindrical-spherical-coordinates
       order: 2
+    - slug: es-fr-cylindrical-coordinates-exchange
+      order: 2
 ---
 
 <!--caligraphie de l'intégrale double curviligne-->