diff --git a/slides/cours_12.md b/slides/cours_12.md
index 825a674a5f0b11eb80c346e47f4ad0353016b066..c74ad79315db8d968fc38c34c31a3cdb2bfcbf4f 100644
--- a/slides/cours_12.md
+++ b/slides/cours_12.md
@@ -774,6 +774,6 @@ 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);
 ```