Original sentence: Gaim is Free Software available under the GNU GPL.Gaim was originally written for unix-like operating systems, but is now also available for Windows.Its name is not to be considered an acronym to clairify that it does not have any affiliation with AOL.Previously referred to as "GAIM" (all capitals), it is now better known as either "Gaim", or "gaim".The term "instant messenger" and the acronym "AIM" are Service Marks of AOL Time Warner, so Gaim is not allowed to use them
Edited sentence: Gaim was originally written for unix-like operating systems, but is now also available for Win32.It is Free Software available under the GNU GPL.Its name is not to be considered an acronym, nor does it have any affiliation with AOL.Previously referred to as GAIM (all capitals), it is now better known as either Gaim, or gaim.The term "instant messenger" and the acronym "AIM" are Service Marks of AOL Time Warner and should not be used in software to avoid irate legal notices from Arent Fox, AOL's lawyers