diff --git a/bit_manipulation/count_of_set_bits.cpp b/bit_manipulation/count_of_set_bits.cpp
index 23debe709..521f7b32f 100644
--- a/bit_manipulation/count_of_set_bits.cpp
+++ b/bit_manipulation/count_of_set_bits.cpp
@@ -1,6 +1,6 @@
 /**
  * @file
- * @brief Program to Count set bits in an integer
+ * @brief Implementation to [count sets bits](https://www.geeksforgeeks.org/count-set-bits-in-an-integer/) in an integer.
  *
  * @details
  * Time Complexity :- O(log n)