diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.en.md
index 42c76f276..0dab838b7 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.en.md
@@ -12,6 +12,10 @@ lessons:
 
 --------------------
 
+! Wtach this page :   
+! in Espanol
+! in French
+
 #### Foreword
 
 This is an **important step**, because the mathematical tool defines at each level
@@ -44,29 +48,26 @@ starting with three initials in parenthesis you represent, all in parenthesis.
 #### Where to contribute?
 
 To **communicate my proposals**, either :
-* directly on the GitLab m3p2 with your login/password, and after a little training on Git.   
-To do this, if you are not already there, go to :   
-<br> For level 1: https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n1   
-For level 2: https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n2   
-For level 3: https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n3   
-For the level: https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n4   
+* directly on the GitLab m3p2 with your login/password, and after a little training on Git. 
+
+   * *Click on "Edit this course"* at the bottom of each column of this page (levels 1 and 2),   
+or from the page "https://m3p2.com/en/lessons/define-234-mathematical-tools" (levels 2, 3 and 4).
 
-  
-* In the M3P2 Googledoc linked to you.   
-   The contribution is to be made in the "Herramientas matemáticas" folder, in the words documents :
-   * for level 1: Niv / Lev_MatToo_1.docx
-   * level 2: Niv / Lev_MatToo_2.docx
-   * level 3: Niv / Lev_MatToo_3.docx
-   * level 4: Niv / Lev_MatToo_4.docx
+   * If you prefer *to see in full screen each column* on this page, go to :
+For these *general instructions* : https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/first-steps   
+For *level 1* : https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n1   
+For *level 2* : https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n2   
+For *level 3* : https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n3   
+For *level 4* : https://m3p2.com/en/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n4
+then *to contribute*, click on "*Edit this course*" at the bottom of the page. 
+
+* *In the M3P2 Googledoc* whose link has been given to you.   
+The contribution is to be made in the "Herramientas matemáticas" folder, in the words documents :
+   * for *level 1* : Niv / Lev_MatToo_1.docx
+   * for *level 2* : Niv / Lev_MatToo_2.docx
+   * for *level 3* : Niv / Lev_MatToo_3.docx
+   * for *level 4* : Niv / Lev_MatToo_4.docx
    
 The Gitlab will be kept up to date with your proposals, also translated into English and Spanish.    
 _(This is not required, but if you can also make your contribution in French, more in_
 _English or Spanish, this will ease the translation work) ._    
-
-* This page can be viewed in a multilingual version at:
-    * https://m3p2.com/fr/lessons/define-g-mathematical-tools-polyglot
-and each level in multilingual version at:
-    * level 1: https://m3p2.com/fr/lessons/define-1-mathematical-tools-polyglot
-    * level 2: https://m3p2.com/fr/lessons/define-2-mathematical-tools-polyglot
-    * level 3: https://m3p2.com/fr/lessons/define-3-mathematical-tools-polyglot
-    * level 4: https://m3p2.com/fr/lessons/define-4-mathematical-tools-polyglot 
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