I asked the missus and she said It would be m'aider, not m'aidez so I go that wrong, but she also said that grammatically it was a little incorrect and the phrase "Help me" would really translate to "Aidez moi". The term "m'aider" would be part of a larger sentence such as "Il va m'aider" meaning "He is going to help me".
How does she know this? The same way that she knows everything else on the planet (apart from computers of course).
BTW, I failed o level French so I'm ready for the corrections and will gladly stay behind after school.