diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.en.md
index 6905a5393..2d69c562b 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.en.md
@@ -46,7 +46,7 @@ RESPOND:
 
 ---------------------
 (CME-FR) _Good mastery, with exercises to develop automatisms:_
-- *Comparison of numbers: $`\ lt, \ gt, \ le, \ ge`$*
+- *Comparison of numbers: $`\lt, \gt, \le, \ge`$*
 
 RESPOND:
 ... (XXX-YY)