diff --git a/00.brainstorming-pedagogical-teams/level-N1/textbook.en.md b/00.brainstorming-pedagogical-teams/level-N1/textbook.en.md
index d29ae894e..fd8831beb 100644
--- a/00.brainstorming-pedagogical-teams/level-N1/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/level-N1/textbook.en.md
@@ -9,10 +9,8 @@ Different proposals are listed. On each proposal, you can react,
start a discussion. You can also create new proposals.
1 * Objective
-(Please, comment, criticize if necessary, add ideas, contribute)
------------
-
-(Please, commentez, critiquez si nécessaire, proposer des idées, contribuez)
+(Please, comment, criticize if necessary, add ideas, contribute)
* Define and explain the basic concepts and associate them with the correct vocabulary
@@ -21,8 +19,8 @@ present the ability to go to level 2, and encourage them.
2 * Ideas for teaching method
-(Please, comment, criticize if necessary, add ideas, contribute)
----------------------
+(Please, comment, criticize if necessary, add ideas, contribute)
* Simples and short sentences.
@@ -44,8 +42,9 @@ to amaze and enchant them, to show what is done in our laboratories).
3 * Mathematical background
-(Please, comment, criticize if necessary, add ideas, contribute)
-----------------------
+(Please, comment, criticize if necessary, add ideas, contribute)
+
* use only integers and real numbers, fractions (but this will require
a course on fractions) and the 4 basic operations: sum, subtraction,
multiplication and division.