diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/topic.es.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/textbook.es.md
similarity index 100%
rename from 01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/topic.es.md
rename to 01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/textbook.es.md
diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/textbook.fr.md
similarity index 100%
rename from 01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/topic.fr.md
rename to 01.curriculum/01.physics-chemistry-biology/03.Niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/01.prisms/textbook.fr.md