diff --git a/math/modular_division.cpp b/math/modular_division.cpp
index 67001b8cf..89bbdf9bb 100644
--- a/math/modular_division.cpp
+++ b/math/modular_division.cpp
@@ -34,7 +34,8 @@
 namespace math {
 /**
  * @namespace modular_division
- * @brief Functions for Modular Division implementation
+ * @brief Functions for [Modular 
+ * Division](https://www.geeksforgeeks.org/modular-division) implementation
  */
 namespace modular_division {
 /**