diff --git a/C/Tree.c b/C/Tree.c
index 8f5b538..c5a5a03 100644
--- a/C/Tree.c
+++ b/C/Tree.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdlib.h>
 
+//this is the function
 typedef struct node {
     int key;
     char *data;