diff --git a/X. NU/custom/HelloKext/src/HelloWorld.c b/X. NU/custom/HelloKext/src/HelloWorld.c
index 027c17b..2c4a9ff 100644
--- a/X. NU/custom/HelloKext/src/HelloWorld.c	
+++ b/X. NU/custom/HelloKext/src/HelloWorld.c	
@@ -1,14 +1,17 @@
 #include <mach/mach_types.h>
+#include <libkern/libkern.h>
 
 kern_return_t HelloWorld_start(kmod_info_t * ki, void *d);
 kern_return_t HelloWorld_stop(kmod_info_t *ki, void *d);
 
 kern_return_t HelloWorld_start(kmod_info_t * ki, void *d)
 {
+    printf("HelloWorld from kext start");
     return KERN_SUCCESS;
 }
 
 kern_return_t HelloWorld_stop(kmod_info_t *ki, void *d)
 {
+    printf("HelloWorld from kext stop");
     return KERN_SUCCESS;
 }