diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.es.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.es.md
index fb3da02d9..0b9598d26 100644
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.es.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.es.md
@@ -4,8 +4,8 @@ published: true
 routable: false
 visible: false
 lessons:
-    - slug: 
-      order: 
+    - slug: cylindrical-coordinates-linear
+      order: 1
 ---
 
 !!!! *CURSO EN CONSTRUCCIÓN :* <br>