diff --git a/01.m3p2-curriculum/02.mathematics/topic.en.md b/01.m3p2-curriculum/02.mathematics/topic.en.md
index ed6f69ea3..247906b65 100644
--- a/01.m3p2-curriculum/02.mathematics/topic.en.md
+++ b/01.m3p2-curriculum/02.mathematics/topic.en.md
@@ -1,5 +1,5 @@
 ---
-title: 'From my inner logic and mental representations,<br> To mathematics, to modeling and algorithmic<br><br><br>'
-slug: mathematic
+title: 'From my inner logic and mental representations,<br> To mathematics, modeling and algorithms'
+slug: mathematics
 ---
 
diff --git a/01.m3p2-curriculum/02.mathematics/topic.es.md b/01.m3p2-curriculum/02.mathematics/topic.es.md
index de0885c19..84a2d3b22 100644
--- a/01.m3p2-curriculum/02.mathematics/topic.es.md
+++ b/01.m3p2-curriculum/02.mathematics/topic.es.md
@@ -1,5 +1,5 @@
 ---
-title: 'De mi lógica y mis representaciones mentales interiores,<br>A las matemáticas, a la modelización y al algoritmo<br>'
-slug: mathematic
+title: 'De mi lógica y mis representaciones mentales interiores,<br>A las matemáticas, a la modelización y al algoritmo'
+slug: matematicas
 ---
 
diff --git a/01.m3p2-curriculum/02.mathematics/topic.fr.md b/01.m3p2-curriculum/02.mathematics/topic.fr.md
index 49b3b2a58..58c19f179 100644
--- a/01.m3p2-curriculum/02.mathematics/topic.fr.md
+++ b/01.m3p2-curriculum/02.mathematics/topic.fr.md
@@ -1,5 +1,5 @@
 ---
-title: 'De ma logique et mes représentations mentales intérieures,<br>À la mathématique, à la modélisation et à l''algorithmique<br>'
-slug: mathematics
+title: 'De ma logique et mes représentations mentales intérieures,<br>À la mathématique, à la modélisation et à l''algorithmique'
+slug: mathematique
 ---