diff --git a/main.c b/main.c
index a9acb31..0cd0209 100644
--- a/main.c
+++ b/main.c
@@ -41,13 +41,19 @@ int main(){
     printf("\n\n");
 
     printf("Resizing it to size 10 using realloc(): ");
-    arr = (int*)realloc(arr, 10);
-    printf("%p ->  ",arr);
-    for(int i=0; i<10; i++){
-        printf(" %d ", *(arr+i));
-    }
+    arr = (int*)realloc(arr, 10 * sizeof(int)); // correct
+    //cheack the case 
+       if (arr == NULL)
+       {
+        printf("realloc failed!\n");
+        return 1;
+       }
+
+    for(int i = 0; i < 10; i++){
+    printf("%p -> %d\n", (arr + i), *(arr + i));
+}
 
     printf("\n\n");
 
     return 0;
-}
\ No newline at end of file
+}