diff --git a/README.md b/README.md
index dca574b..068d394 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## Overview
+# Overview
 
 This codebase is designed to implement a card game called "ThreeTrioGame". The game involves
 creating a board and a deck of cards from configuration files, and players take turns to play the