I am following this repo, are you sure it's wrong?...

# spring

[poohbar]

I am following this repo, are you sure it's wrong?
https://github.com/svlada/springboot-security-jwt/blob/7091258de487f1a5f7e82db7d67e6bcbb0a4c16a/src/main/java/com/svlada/security/config/JwtSettings.java