diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/01.electrostatics-dielectrics-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/01.electrostatics-dielectrics-main/textbook.fr.md
index abdc04bfa..0533bc39d 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/01.electrostatics-dielectrics-main/textbook.fr.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/01.electrostatics-dielectrics-main/textbook.fr.md
@@ -1,5 +1,5 @@
 ---
-title : to do
+title : "to do"
 published : false
 visible : false
 ---
\ No newline at end of file