From f123f45f92061a74cf24dbaa3e1b47c6b0505f1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joan=20Fabr=C3=A9gat?= <joan@codeinc.co>
Date: Mon, 25 Apr 2022 11:57:56 +0200
Subject: [PATCH] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7f07f17..d793a74 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # UTF-8 sanitizer
 
-A simple UTF-8 sanitizer written in PHP 8. 
+A simple UTF-8 sanitizer written in PHP 8. This code is based after this [StackOverflow response](https://stackoverflow.com/a/1523574/1839947) and the W3C UTF-8 verification [recommended regular expression](https://www.w3.org/International/questions/qa-forms-utf-8.en).  
 
 ## Usage
 ```php