diff --git a/day5/lnk_list.c b/day5/lnk_list.c
index 54bae5b..83692d0 100644
--- a/day5/lnk_list.c
+++ b/day5/lnk_list.c
@@ -1,3 +1,4 @@
+/* pull request */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>