Added some more information and a few warnings for requesting an account

git-php.php

@@ -324,6 +324,12 @@ EOT;
  address where <strong>foo</strong> is your Git user id. Feel free to use it!
 </p>
 
+<p>
+ If you get no resposne to an account request after a while, remember this is a 
+ manual process, then please contact the relevant mailing list that belongs to 
+ the part of PHP you requested access to.
+</p>
+
 <h2>Request a Git account</h2>
 
 <p class="warn">
@@ -337,6 +343,15 @@ EOT;
  Also note that information provided here will be sent to a public
  mailing list.
 </p>
+<p class="warn">
+ Please do <strong>NOT</strong> submit account requests if you have not previously 
+ contributed any work such as patches to PHP.
+</p>
+<p class="warn">
+ If someone told you to fill in an account request because you are a developer of 
+ a certain extension, for example a <a href="http://pecl.php.net/">PECL</a> extension, 
+ then please state who told you to submit this request in the purpose text field below.
+</p>
 
 <?php
 } // endif: no data submitted