fix broken links

next/pw-change.html

@@ -469,7 +469,7 @@ your account will be closed and it’ll say something line:</p>
 <p><strong>ERROR: Sorry (tm Canada 🇨🇦) you cannot login at this time.</strong></p>
 </blockquote>
 <p>If that happens, you will need to
-<a href="if-you-really-need-to-send-email-the-ioccc-judges">send email to the IOCCC judges</a>
+<a href="../contact.md#if-you-really-need-to-send-email-the-ioccc-judges">send email to the IOCCC judges</a>
 to ask for your password to be reset.</p>
 <p>Assuming you did login in time, you should put in your login (UUID username),
 your old (initial) password and a new password and then click “Change Password”.</p>