diff --git a/slides/cours_12.md b/slides/cours_12.md
index 787da033805d2dbca281f2e8ca05c63956f12e6a..0a864be50e313b373d32b5d17e110e67a06f8959 100644
--- a/slides/cours_12.md
+++ b/slides/cours_12.md
@@ -773,6 +773,6 @@ int dll_extract(dll *list);
 // extrait la donnée en tête de liste
 int dll_pop(dll *list);
 // vide la liste
-void dll_destroy(dll *list)
+void dll_destroy(dll *list);
 ```