Reword advice in the example ini file to clear up confusion with the PCI ID

example/gamemode.ini

@@ -43,7 +43,7 @@ inhibit_screensaver=1
 ; Setting this to the keyphrase "accept-responsibility" will allow gamemode to apply GPU optimisations such as overclocks
 ;apply_gpu_optimisations=0
 
-; Set these to specify which vendor and device ID you want apply optimisations to
+; You must set these to tell gamemode the Vendor of your graphics card, as well it's device number on the system (usually 0)
 ; Vendor must be one of 0x10de (NVIDIA), 0x1002 (AMD) or 0x8086 (Intel)
 ;gpu_vendor=0x0000
 ;gpu_device=0