diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md
index ae3d4a571..c5fd54e8e 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/05.first-steps/textbook.en.md
@@ -53,9 +53,7 @@ starting with three initials in brackets that represent you :
 To **communicate my proposals**, either:<br>
 * Directly on the *GitLab M3P2*:<br>
 <details>
-<summary> 
-More information 
-</summary>
+<summary> More information </summary>
 Only for those who have an M3P2 account and have received the little introduction to Git:<br>
    - Click "Améliorer ce cours" at the bottom of the page.<br>
    - Login with your username / password