diff --git a/slides/cours_5.md b/slides/cours_5.md
index 0a270644e4399de45249fe307398aa29e9a29f3d..36554ade97baf95ca13b707ecafd684d967c1da9 100644
--- a/slides/cours_5.md
+++ b/slides/cours_5.md
@@ -139,7 +139,7 @@ $$
     tant que (N >= 0) {
         bit = num / 2^N
         num = num % 2^N
-        N += 1
+        N -= 1
     }
     ```
 
diff --git a/slides/cours_7.md b/slides/cours_7.md
index 2b5abd9374fb32d4e729807624046600a231a966..0fb21f3124de12034b6fc5d1baa674109e89cd54 100644
--- a/slides/cours_7.md
+++ b/slides/cours_7.md
@@ -1,6 +1,6 @@
 ---
 title: "Tris"
-date: "2022-16-11"
+date: "2022-11-16"
 ---
 
 # Rappel: Complexité