Protected Entrys: Changing Text

Right now when I password protect an entry it says

This post is password protected. To view it please enter your password below:

Which is fine and dandy. But I want to change it. I’ve gone through all of my files in the layout and I’m not sure where to find that line of text.

Can someone please tell me in what file I can find it under from the below files?? Or is it in a different place?
archive.php
comments.php
footer.php
header.php
index.php
links.php
searchform.php
sidebar.php 1 k 644
style.css