diff --git a/slides/cours_22.md b/slides/cours_22.md
index 9cb65a44e88072391f833b126b8fdf678a64a80a..efacf5e7d198a3ff46a72094a9a1cbb846c0504e 100644
--- a/slides/cours_22.md
+++ b/slides/cours_22.md
@@ -295,7 +295,7 @@ patat:
 
 ## Exercice
 
-* Insérer 20, 40, 10, 30, 15, 35, 7, 26, 18, 22, 5, 42, 13, 46, 27, 8, 32, 38, 24, 45, 25, 2, 14, 28, 32, 41,
+* Insérer 20, 40, 10, 30, 15, 35, 7, 26, 18, 22, 5, 42, 13, 46, 27, 8, 32, 38, 24, 45, 25, 2, 14, 28, 29, 41,
 * Dans un B-arbre d'ordre 2.
 
 # Les B-arbres