diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
index 483034e2b..e0c12449c 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
@@ -96,8 +96,9 @@ Sont proposées les catégories suivantes, mais à débattre :
 !
 ! *Discovery time : 30 minutes*<br>
 ! *Resolution time : 10 minutes*
-! <details markdown=1><!--1-->
-!<summary>
+!
+! <details markdown=1>
+! <summary>
 ! I choose it
 ! </summary>
 ! A lensball is a simple physical system: a sphere of glass of refractive index $`n=1.5`$ and of radius $`R=5\;cm`$.