It was a typo. Thanks, fixed.
But there is an http headers article you might like.
https://peteris.rocks/blog/exotic-http-headers/
I”d instead suggest RFC 9110, HTTP Semantics: <https://www.rfc-editor.org/info/rfc9110/>
I”d instead suggest RFC 9110, HTTP Semantics: <https://www.rfc-editor.org/info/rfc9110/>