Update README.md

Author: 梶塚太智

README.md

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 # Stack programming language
-Powerful stack-oriented scripting language
+The powerful script language designed with a stack oriented approach for efficient execution. 
 
 ## Features
 
@@ -41,4 +41,4 @@ This is a sample code to solve FizzBuzz problem in Stack programming language
 Any contributions are welcome! Feel free to open a pull request and help make the Stack programming language even better.
 
 ## License
-The Stack programming language is free software under the MIT license. Anyone can use and change it. See the [LICENSE](LICENSE) file for more details
+The Stack programming language is free software under the MIT license. Anyone can use and change it. See the [LICENSE](LICENSE) file for more details