diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/30.n3/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/30.n3/textbook.es.md
index 74fcb03e8..b055450a3 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/30.n3/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/30.n3/textbook.es.md
@@ -9,7 +9,6 @@ lessons:
     - slug: structure-example-234-electromagnetism
       order: 2
 ---
-
 <!--caligraphie de l'intégrale double curviligne-->
 $`\def\oint{\displaystyle\mathop{{\int}\mkern-16mu \scriptsize \bigcirc}}`$