how to edit comment info?

where is the doc located that edits this info in the comments section:

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This entry was posted on Friday, August 18th, 2006 at 2:52 pm and is filed under scraps, cab guilt, hungover, not the healthiest choice, vodka, top ramen, green tea, alcohol, food, red wine, jaegermeister. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site. Edit this entry.
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and once i know the doc name, is there any trick for editing this verbage? (I am still new to php and its tags)

thanks for any help you can offer…