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 fded2de2f..5b130ae63 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
@@ -6,6 +6,8 @@ visible: false
 lessons:
     - slug: cartesian-cylindrical-spherical-coordinates
       order: 2
+    - slug: cylindrical-coordinates-linear
+      order: 2
 ---