diff --git a/cv2/program.c b/cv2/program.c
index fe26dbb..41041b4 100644
--- a/cv2/program.c
+++ b/cv2/program.c
@@ -36,7 +36,7 @@ int read_pizza(struct pizza* item){
 //compare 2 elements
 
 int compare(const void *a, const void *b){
-
+    //to the value const void a(b) we will assign the value of the pointer to the structure
     struct pizza* pizza_a = (void*) a;
     struct pizza* pizza_b = (void*) b;
     float r = (pizza_a->prize > pizza_b->prize) - (pizza_a->prize < pizza_b->prize);