diff --git a/Part3/09_memory/kernel/kernel.h b/Part3/09_memory/kernel/kernel.h
index 8865cca..9f6183c 100644
--- a/Part3/09_memory/kernel/kernel.h
+++ b/Part3/09_memory/kernel/kernel.h
@@ -11,7 +11,7 @@
 
 void user_input(char *input);
 node* get_holes(node *enum_head);
-void print_memory(node *umem_head, node *hole_head)
+void print_memory(node *umem_head, node *hole_head);
 int digit_len(unsigned digit);
 int digit_conver(const char *str);