diff --git a/search/hash_search.cpp b/search/hash_search.cpp
index 68c361384..a89d8566b 100644
--- a/search/hash_search.cpp
+++ b/search/hash_search.cpp
@@ -3,6 +3,8 @@
 #include<stdio.h>
 #define MAX 6
 # define HASHMAX 5
+// Hash Search Algorithm
+// Best Time Complexity Ω(1)
 int data[MAX] = { 12, 160, 219, 522, 725, 9997};
 typedef struct list {
     int key;