diff --git a/slides/opaque.md b/slides/opaque.md
index 3795577c209474f976297ff7b1f68dae46528201..a1724c1cf71336523bf463e9ea6c60876d2bf7dc 100644
--- a/slides/opaque.md
+++ b/slides/opaque.md
@@ -15,9 +15,9 @@ typedef struct _table {
 } table;
 // main.c
 table tab; // membres de tab accessibles directement
-tab.length = 10;
-tab.data = malloc(tab.length * sizeof(int));
-tab.data[9] = 10;
+table.length = 10;
+table.data = malloc(table.length * sizeof(int));
+table.data[9] = 10;
 ```
 
 # Types opaques