diff --git a/00.brainstorming-pedagogical-teams/03.presentar_el_proyecto/textbook.es.md b/00.brainstorming-pedagogical-teams/03.presentar_el_proyecto/textbook.es.md
index 17607261b..0e899cd4e 100644
--- a/00.brainstorming-pedagogical-teams/03.presentar_el_proyecto/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/03.presentar_el_proyecto/textbook.es.md
@@ -55,7 +55,13 @@ https://m3p2.com/polyglot-columns/m3p2-pedagogy/pedagogy/summary
 
 http://localhost:8000/fr/m3p2-curriculum/physics-chemistry-biology/mountains/electromagnetism/electromagnetism-in-matter/maxwell-equations-in-media/main
 
-((https://m3p2.ljbac.com/m3p2/courses/blob/master/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/01.maxwell-equations/01.maxwell-equations-main/textbook.fr.md)
+(https://m3p2.ljbac.com/m3p2/courses/blob/master/01.curriculum/01.physics-chemistry-biology
+/04.Niv4/04.electromagnetism/01.maxwell-equations/01.maxwell-equations-main/textbook.fr.md)
+
+Local Claude :
+http://localhost:8000/fr/m3p2-curriculum/physics-chemistry-biology/mountains/electromagnetism/interferences-diffraction/interferences-diffraction
+
+(https://m3p2.ljbac.com/m3p2/courses/blob/master/01.curriculum/01.physics-chemistry-biology/03.Niv3/03.wave-optics/topic.fr.md)
 
 * parte síntesis