diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic b/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic.fr.md
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rename from 01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic
rename to 01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic.fr.md