Update README.md

Author: yuubinnkyoku

README.md

@@ -1,10 +1,10 @@
 # Shojin_App
 [![Latest release](https://img.shields.io/github/v/release/tsukuba-denden/Shojin_App?include_prereleases)](https://github.com/tsukuba-denden/Shojin_App/releases)
-[![License](https://img.shields.io/github/license/tsukuba-denden/Shojin_App)](https://www.gnu.org/licenses/gpl-3.0)
+[![License](https://img.shields.io/github/license/tsukuba-denden/Shojin_App)](https://github.com/tsukuba-denden/shojin_app/tree/main?tab=MIT-1-ov-file)
 [![Downloads](https://img.shields.io/github/downloads/tsukuba-denden/Shojin_App/total)](https://github.com/tsukuba-denden/Shojin_App/releases)
 
 [<img src="https://github.com/machiav3lli/oandbackupx/blob/034b226cea5c1b30eb4f6a6f313e4dadcbb0ece4/badge_github.png"
     alt="Get it on GitHub"
     height="80">](https://github.com/tsukuba-denden/shojin_app/releases)
 
-AtCoderの精進をスマホでも。
+AtCoderの精進をスマホでも。