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 5267a9068..d5b1963f2 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
@@ -9,7 +9,7 @@ lessons:
       order: 1
 ---
 
-#### Overall brainstorming to structure a theme "classical mechanics", 
+#### Brainstorming to structure a theme "classical mechanics", 
 for all levels.
 
 --------------------