diff --git a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/interferences-diffraction/interference-diffraction-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/interferences-diffraction/interference-diffraction-main/textbook.fr.md
index ccccaf5c9..023cb821b 100644
--- a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/interferences-diffraction/interference-diffraction-main/textbook.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/interferences-diffraction/interference-diffraction-main/textbook.fr.md
@@ -1,5 +1,5 @@
 ---
-text : "Phénomènes d'interférences et de diffraction"
+Text : "Phénomènes d'interférences et de diffraction"
 published : false
 visible : false
 ----