From 7b885adb35c50b68641ef6a4696df5722cac07ee Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Mon, 18 Jan 2021 17:20:12 +0100
Subject: [PATCH] Update textbook.en.md

---
 .../30.cylindrical-coordinates/10.main/textbook.en.md           | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md
index 06a977add..84be1f763 100644
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md
@@ -4,6 +4,8 @@ published: true
 routable: false
 visible: false
 lessons:
+    - slug:
+      order:
     - slug: cylindrical-coordinates-linear
       order: 1
 ---