We’re confident that our well-informed readers would never allow the apostrofly to plague their writing, but in case there are those of you who need to brush up on your knowledge, here’s some straightforward advice.

Guerrilla proofreading does seem to be a popular hobby for some people. They can get quite agitated about apostroflies, invisible hyphens, and other such entities.

There is no guarantee that the apostrophe will appear in the right place in Queens' College, Cambridge. The apostrophe, it sometimes seems, is like an insect — an apostrofly — over the dining table, alighting where it will.