WordPress header is still revealing some information to users

I would like to know why the Status says, “WordPress header is still revealing some information to users.”

https://imageshack.us/photo/my-images/854/statusrb.jpg/

even when the configuration is as shown:

https://imageshack.us/photo/my-images/28/dashboardtweaks.jpg/

Thanks for your help!

https://www.ads-software.com/extend/plugins/better-wp-security/