[vidarh]

Hopper's involvement is not about being the one to coin the term, but about being the first to find an actual, physical computer bug. It's clear from the story the implication was not that it was the first use of the term as in that case the joke would make no sense.

[brandall10]

Right, otherwise the word "actual" wouldn't be in the notebook, which implies computer scientists were actively using the term prior to the event.