1. that's a perfectly sensible comment to suggest that you should probably look it up on your own if you care about security.

2. The command did document exactly what it did in the same manner (or more detail) as the blogs we got it from.

3. We invited Mozilla to provide text for us to comment it with and they didn't give us any.

Edit: And as bovine3dom says, this was done in response to an informal request by someone reasonably friendly to the project.