Update textbook.en.md

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<br>
-(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<br>
-(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<br>
-(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.