Update 00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md

00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md

@@ -33,7 +33,7 @@ They can be changed easily, they are not the main structure.
 
 #### Advice on how to structure this level 1 
 
-At this first level, think: <br>
+At this first level, think:    
  * What knowledge on this topic is useful in everyday life.
  * Start from the actions and perceptions of the daily life, using the right vocabulary (example: the arm lever, the couple to remove a bolt with a jack, the figure skater, ...).
  * What amazes us? (example, gyroscope, spinning top). 
@@ -44,14 +44,14 @@ At this first level, chapter titles should be everyday words.
 #### To participate
 
 The different proposals are numbered: they start with :   
-[BRST-MECCLAS1-numéro] : Titre<br>
+[BRST-MECCLAS1-numéro] + un titre.   
 _(BRST-MECCLAS1 pour Brainstorming STructure MEChanics CLASsical level 1)_
 
 To **add an item, create it** in or after existing items (following the logical order).
-To do this, start your proposition with a new : <br>
+To do this, start your proposition with a new :     
 * *[BRST-MECCLAS1-number] + (three initials in brackets representing you) + Title*
 
-To **react to an existing item*, add your comment after the others
+To **react to an existing item**, add your comment after the others
 starting with three initials in brackets that represent you :
 (CLM): previous comment.<br>
 *(my initials): my comment* 
@@ -85,7 +85,6 @@ _(This is not required, but if you can also make your contribution in French, mo
 _English or Spanish, this will ease the translation work)._
 
 This page at this level can be viewed in a multilingual version at :
-
 https://m3p2.com/polyglot/brainstorming-pedagogical-teams/synthesis-structuring/classical-mechanics/first-steps
 
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