diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/40.n4/10.brainstorming/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/40.n4/10.brainstorming/textbook.fr.md
index c459776f7..1197dbebc 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/40.n4/10.brainstorming/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/40.n4/10.brainstorming/textbook.fr.md
@@ -16,4 +16,6 @@ Ce brainstorming de niveau 4 peut être vue en version multilangues à :
 
 https://m3p2.com/polyglot/brainstorming-pedagogical-teams/synthesis-structuring/classical-mechanics/n4/brainstorming
 
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+----------------------------------------
+
+### Brainstorming
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