renaming KPPP icon on desktop

I can't rename this KPPP icon to something like "Connect to my ISP". In the properties tab the name KPPP is grey. Why? How could I rename this icon? Thanks for any help. a. PS--here it is an image of my old desktop. Today it yet has KPPP on it as main dialer: http://mywebpage.netscape.com/Adagilson/gnomedesktop.png