diff --git a/06 - Teaching/Exercises 923.md b/06 - Teaching/Exercises 923.md
index 3df3d5f..517f7cb 100644
--- a/06 - Teaching/Exercises 923.md	
+++ b/06 - Teaching/Exercises 923.md	
@@ -2,3 +2,5 @@
 
 ## Exercices courts
 
+### Exercice 1
+