Well, there you go:
“The controversy surrounding why Neil Armstrong’s famous moon quote was misheard by millions of people worldwide may have been less to do with dodgy recording equipment and more to do with his unique Ohio accent.
When Armstrong walked on the moon the astronaut claimed to have said: ‘That’s one small step for a man, one giant leap for mankind’, but most listeners claim they can’t hear the first ‘a’ and the statement has become best known without it.
Poor recording equipment was previously blamed for the mishearing, yet linguistic experts now claim a unique feature of Armstrong’s Ohio accent could be to blame. “