default index.html copy after an user update

[the_spy]

with the stable version 2.2.12 on debian etch,

I have just updated (as admin) the quota of one user, and I saw that the default index.html as been copied to the web folder of the website of this user with this update.

[...]
20.05.2007 - 10:16:16 => INFO - /root/ispconfig/scripts/lib/config.lib.php, Line 1066: cp -fr /root/ispconfig/isp/standard_index.html_fr /var/www/web35/web/index.html
20.05.2007 - 10:16:16 => INFO - /root/ispconfig/scripts/lib/config.lib.php, Line 257: setquota -g web35 8192000 8193024 0 0 -a &> /dev/null
20.05.2007 - 10:16:16 => INFO - /root/ispconfig/scripts/lib/config.lib.php, Line 258: setquota -T -g web35 604800 604800 -a &> /dev/null
[...]

I'm not sure why it's doing this ? It could break an online site with a wrong index file.