diff --git a/G17_bykes/main.c b/G17_bykes/main.c
index 896635604c211d9802468ca06319f615885fa372..b8bea9edf915a61d52b0b1df598119d34cecf182 100644
--- a/G17_bykes/main.c
+++ b/G17_bykes/main.c
@@ -13,7 +13,7 @@
 
 #define DEPOT  0
 
-#define USLEEP 0
+#define USLEEP 1
 
 sem_t *sem_FreeSlot;
 sem_t *sem_BikeFree;
@@ -40,7 +40,7 @@ struct Truck{
     int nbCivilians;
 };
 
-struct cities{
+struct city{
     int nb_bikesParked;
     int nb_P_waiting;
 };
@@ -50,7 +50,7 @@ int rand_D();
 //void civilians_PassiveMode(void *arg);
 void *trucks(void *arg);
 void *civilians(void *arg);
-struct cities *cities; //this table is the size of the number of cities, each cities has NParkinglot and each numbers represents a free parkinglot
+struct city *cities; //this table is the size of the number of cities, each cities has NParkinglot and each numbers represents a free parkinglot
 
 
 int main(int argc, char **argv){
@@ -68,7 +68,7 @@ int main(int argc, char **argv){
     
     pthread_t *threadCivilians = malloc(sizeof(pthread_t)*nbCivilians);
     pthread_t *threadTruck = malloc(sizeof(pthread_t));
-    cities = calloc(nbcities, sizeof(struct cities));
+    cities = calloc(nbcities, sizeof(struct city));
     struct civilian *Civilians = calloc(nbCivilians, sizeof(struct civilian));
     struct Truck *truck = malloc(sizeof(struct Truck));