diff --git a/slides/cours_11.md b/slides/cours_11.md
index 2c1f561195b75538fadbb8d662632b63bd6e29f5..f3db41289039e5348dc8384ef8992b4920f88ccb 100644
--- a/slides/cours_11.md
+++ b/slides/cours_11.md
@@ -348,6 +348,8 @@ typedef struct _queue {
 
 ## Enfilage
 
+\footnotesize
+
 ```C
 void queue_enqueue(queue *fa, int val) {
     if ((fa->head == 0 && fa->tail == fa->capacity-1) ||
@@ -374,7 +376,6 @@ void queue_enqueue(queue *fa, int val) {
 ## Défilage
 
 ```C
-// Function to delete element from Circular Queue
 void queue_dequeue(queue *fa, int *val) {
     if (queue_is_empty(*fa)) {
         return; // queue is empty