Fix language in [`core-service-tcp-info.md`](https://github.com/m-lab/knowledgebase/blob/e4e1a67764f18b6d3d9619fb65e07ca275685a6c/src/content/articles/core-service-tcp-info.md?plain=1#how-tcp-info-works) around INET_DIAG vs getsockopt(TCP_INFO) based on this comment https://github.com/m-lab/knowledgebase/pull/9#discussion_r3517057029
Fix language in
core-service-tcp-info.mdaround INET_DIAG vs getsockopt(TCP_INFO) based on this comment #9 (comment)