diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.es.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.es.md
index b855b88c1..1fcdc8d8e 100644
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.es.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/20.overview/cheatsheet.es.md
@@ -8,7 +8,7 @@ lessons:
       order: 2
     - slug: cylindrical-coordinates-linear
       order: 2
-    - slug: cylindrical-coordinates-exchange-FR_ES
+    - slug: cylindrical-coordinates-exchange-FR-ES
       order: 2
 ---