Docs: Instructions to find php.ini incorrect

http://www.couchbase.com/develop/php/current

"You will add the couchbase.so extension to your php.ini file. To find where your php.inifile is, try php -i | grep extension_dir or look at your <?php phpinfo() ?> output. Edit your php.ini to include these two lines:"

Not correct..."extension_dir" should be "Configuration" and there should be another set of instructions for finding the extension directory