If you are using the S2 style system, please see http://www.livejournal.com/support/faqbrowse.bml?faqid=170 for information on how to customize your comment links.
The problem is that FAQ 170 doesn't actually have any information about changing comment link text, at least not specifically.
I'd like it to say
If you are using the S2 style system, please see
http://www.livejournal.com/support/faqbrowse.bml?faqid=170 for information on how to customise the look of your journal, including comment link text.
... Or something like that? (I'm not even sure if the information in FAQ 170 does lead you to being able to customise comment links, I'm on S1 so I can't investigate.)