Custom Commands - Cant add new lines

Can't add new lines in Custom Commands editor: I press "enter" but nothing happens

+- System -----------------------------
Microsoft Windows XP Professional
Service Pack 2 (Build 2600)

CPU Speed : 1729 MHz
Total Memory : 2037 MB
Free Memory : 1190 MB

+- SmartFTP ---------------------------
Version : 3.0.1023.4
Time Stamp : 2008-09-30 01:00:16
Platform : x86
Id : 400078941
Days in use : 479

+- Application DLL --------------------
sfFTPLib.dll : 1.5.14.6
sfFavorites.dll : 1.0.19.4
sfFavoritesShellExtension.dll : 1.0.1.14
sfTransferQueue.dll : 1.0.16.4
sfFTPShellExtension.dll : 1.0.14.4
SmartFTPPS.dll : 3.0.1023.4

+- Language ---------------------------
SmartFTP.exe : 3.0.1023.4

+- Internet Explorer ------------------
Version : 7.0.5730.11

+- Winsock ----------------------------
Winsock : 2.2

Try to use Ctrl+Enter

Thanks, it works!