From 8eb3dcc490c24fba106f6d63e27f0d19d66fa009 Mon Sep 17 00:00:00 2001
From: realstealthninja <68815218+realstealthninja@users.noreply.github.com>
Date: Mon, 19 Jun 2023 09:46:01 +0530
Subject: [PATCH] docs: add documentation for parameter `n`

---
 math/factorial.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/math/factorial.cpp b/math/factorial.cpp
index 83b7c5fc8..f2991ff85 100644
--- a/math/factorial.cpp
+++ b/math/factorial.cpp
@@ -21,6 +21,7 @@ namespace math {
 
 /**
  * @brief function to find factorial of given number
+ * @param n is the number which is to be factorialized
  * @warning Maximum value for the parameter is 20 as 21!
  * cannot be represented in 64 bit unsigned int
  */