Non functional cosmetic updates

app/Classes/FTN/Packet/FSC39.php

@@ -30,7 +30,7 @@ final class FSC39 extends Packet
 		'dnet'			=> [0x16,'v',2],	// Dest Net
 		'prodcode-lo'	=> [0x18,'C',1],	// Product Code
 		'prodrev-maj'	=> [0x19,'C',1],	// Product Version Major
-		'password'		=> [0x1a,'a8',8],	// Packet Password
+		'password'		=> [0x1a,'a8',8],	// Packet Password - http://ftsc.org/docs/fsc-0039.004 packet passwords are A-Z,0-9
 		'ozone'			=> [0x22,'v',2],	// Orig Zone
 		'dzone'			=> [0x24,'v',2],	// Dest Zone
 		'reserved'		=> [0x26,'a2',2],	// Reserved