diff --git a/slides/cours_19.md b/slides/cours_19.md
index 6650ceb865b810c781302870e5e9455f4a3de150..b599cb9964052a0132ec9a0d1f2ead3e06b447d4 100644
--- a/slides/cours_19.md
+++ b/slides/cours_19.md
@@ -1,5 +1,5 @@
 ---
-title: "Arbres AVL"
+title: "Arbres AVL et Arbres quaternaires"
 date: "2025-03-28"
 ---