They'll take your profile and proofread it, making sure that no spelling errors have slipped past you as you were writing.
The more they know about what fires you up, the more they can get to know you.
Try a company such as Essayroo if you want an editor. Ask anyone who's used an online dating service, and they'll tell you that the one thing that turns them off is bad grammar.
If you're finding that you're not getting any contacts on your profile, this could be why.
However, maybe you've never used one before, or you didn't have a great experience the last time you did so.
It's possible to find your best match online, you just need the right profile.
If you wish to understand the concepts behind these examples, please read our tips for writing your online profile.