diff --git a/BinarySearchTrees/BinarySearchTree.c b/BinarySearchTrees/BinarySearchTree.c
index 530ede1..de014bd 100644
--- a/BinarySearchTrees/BinarySearchTree.c
+++ b/BinarySearchTrees/BinarySearchTree.c
@@ -1,3 +1,5 @@
+//including  input output libraries
+//including standard libraries
 #include<stdio.h>
 #include<stdlib.h>