diff --git a/lectures/10-binary search/code/src/com/kunal/BinarySearch.java b/lectures/10-binary search/code/src/com/kunal/BinarySearch.java
index 477a0ffda..9dfd44462 100644
--- a/lectures/10-binary search/code/src/com/kunal/BinarySearch.java	
+++ b/lectures/10-binary search/code/src/com/kunal/BinarySearch.java	
@@ -8,7 +8,7 @@ public static void main(String[] args) {
         int ans = binarySearch(arr, target);
         System.out.println(ans);
     }
-
+    //for sorted ascending order arrays 
     // return the index
     // return -1 if it does not exist
     static int binarySearch(int[] arr, int target) {