help with permission settings

[newskooluser]

just need some help changing permissions on some .txt files for the website.
im using fedora 7

This is what the help files tells me to do with these files

"Make sure that the files chatscript.txt and online.txt are Chmodded correctly (666) the top 2 boxes ticked in all three lines.

i went to each of the properties for the files and went to permissions..there is nothing there pertaining to chmodded or 666 Or top 2 boxes ticked out of three...

were am i going wrong/...?

[till]

To change permissions of a file on the shell, use the command:

chmod 666 /path/to/chatscript.txt