From 2bc003018d7e630191a109e43d6355be2c026e0d Mon Sep 17 00:00:00 2001
From: Pranav Srinivas Kumar <pranav.srinivas.kumar@gmail.com>
Date: Mon, 1 Apr 2019 21:43:55 -0400
Subject: [PATCH] Update README.md

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 73aa034..0b063c7 100644
--- a/README.md
+++ b/README.md
@@ -29,10 +29,10 @@ Here's an example of a ***positional argument***:
 ```cpp
 program.add_argument("square")
   .help("display the square of a given integer")
-  .action([](const std::string& value) { auto integer = std::stoi(value); return integer * integer; });
+  .action([](const std::string& value) { return pow(std::stoi(value), 2); });
 
 program.parse_args(argc, argv);
-std::cout << program.get<int>("square") << std::endl;
+std::cout << program.get<double>("square") << std::endl;
 ```
 
 And running the code: