Update README.md

Author: 梶塚太智

README.md

@@ -3,7 +3,7 @@ The powerful script language designed with a stack oriented approach for efficie
 
 ![image](https://github.com/Stack-Programing-Community/Stack-Programing-Language/assets/122075081/5d7ff479-731b-4def-808a-12dc5301a7a1)
 
-## Installation
+## Install
 
 Stack programming language's interpreter binary files for Windows are in the [release](https://github.com/Stack-Programing-Community/Stack-Programing-Language/releases).