I think it's ridiculous that you are selling a guide that doesn't tell people how to get to the cliff. Granted it's only $5, but $5 is too much for something useless (to one not in the know).
From your story above it sounds like this guidebook project started off as something to pass around to friends. But now that you are advertising it on a web page and in Climbing you should definitely clearly state in the description on the web page that this guide does not contain directions to the cliff. Otherwise, you're potentially ripping people off.