I moved your post over to this thread. So if anyone is wondering why he's linking the thread he posted in, it's because I moved it and don't have permission to edit his post to remove the URL.
That part is just recapping what happened in Step 4 in case you skipped it because you're already unlocked through HTCdev. This is the important part from that paragraph:
Let's turn off one of HTC's defaulted on features. It is the very frustratingly named 'Fast Boot' in Settings > Power. No, this is not 'fastboot' in the Android SDK. This is a feature that is like Hibernate in Windows but for HTC devices. I really hate how HTC calls it this, but that's what they decided to call it.
I hope that clarifies things? I just re-wrote the first sentence of Step 5 to hopefully avoid this confusion in the future.